{"id":181964,"date":"2026-11-09T10:31:17","date_gmt":"2026-11-09T03:31:17","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=181964"},"modified":"2026-11-09T10:31:24","modified_gmt":"2026-11-09T03:31:24","slug":"background-20-11-dep-y-nghia","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/background-20-11-dep-y-nghia\/","title":{"rendered":"99+ Background 20\/11 \u0111\u1eb9p, \u00fd ngh\u0129a cho ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam 20\/11\/2026 l\u00e0 d\u1ecbp \u0111\u1ec3 g\u1eedi g\u1eafm nh\u1eefng l\u1eddi ch\u00fac v\u00e0 t\u00ecnh c\u1ea3m tr\u00e2n tr\u1ecdng \u0111\u1ebfn th\u1ea7y c\u00f4 th\u00f4ng qua c\u00e1c s\u1ea3n ph\u1ea9m thi\u1ebft k\u1ebf gi\u00e0u \u00fd ngh\u0129a. M\u1ed9t background 20\/11 \u0111\u1eb9p, ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee7 \u0111\u1ec1 s\u1ebd g\u00f3p ph\u1ea7n t\u1ea1o \u0111i\u1ec3m nh\u1ea5n cho thi\u1ec7p ch\u00fac m\u1eebng, poster, slide thuy\u1ebft tr\u00ecnh, backdrop s\u00e2n kh\u1ea5u hay b\u00e0i \u0111\u0103ng m\u1ea1ng x\u00e3 h\u1ed9i. Trong b\u00e0i vi\u1ebft n\u00e0y, <a href=\"https:\/\/phongvu.vn\/cong-nghe\" target=\"_blank\" rel=\"noreferrer noopener\">Phong V\u0169 Tech News<\/a> t\u1ed5ng h\u1ee3p nh\u1eefng m\u1eabu background 20\/11 \u0111\u1eb9p theo t\u1eebng phong c\u00e1ch v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, k\u00e8m g\u1ee3i \u00fd l\u1ef1a ch\u1ecdn \u0111\u1ec3 b\u1ea1n d\u1ec5 d\u00e0ng t\u00ecm \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u01b0ng \u00fd. C\u00f9ng kh\u00e1m ph\u00e1 nh\u00e9!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>I. T\u1ed5ng h\u1ee3p background 20\/11 \u0111\u1eb9p, \u00fd ngh\u0129a nh\u1ea5t 2026<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ed9 s\u01b0u t\u1eadp 99+ background 20\/11 \u0111\u1eb9p, \u00fd ngh\u0129a cho ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam \u0111\u01b0\u1ee3c Phong V\u0169 Tech News t\u1ed5ng h\u1ee3p. T\u1ea5t c\u1ea3 h\u00ecnh n\u1ec1n \u0111\u1ec1u c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 c\u00f3 th\u1ec3 t\u1ea3i nhanh <a href=\"https:\/\/drive.google.com\/drive\/folders\/15DA92zOSf_9TX8vsLOZHSFasw9Sg0DAV?usp=sharing\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">T\u1ea1i \u0111\u00e2y<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Background 20\/11 ch\u1ee7 \u0111\u1ec1 hoa t\u01b0\u01a1i v\u00e0 b\u1ea3ng \u0111en<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft h\u1ee3p hoa h\u1ed3ng (l\u00f2ng bi\u1ebft \u01a1n), hoa h\u01b0\u1edbng d\u01b0\u01a1ng (ni\u1ec1m tin, kh\u00e1t v\u1ecdng), hoa c\u1ea9m ch\u01b0\u1edbng, hoa sen ho\u1eb7c hoa ph\u01b0\u1ee3ng v\u1edbi b\u1ea3ng \u0111en, ph\u1ea5n tr\u1eafng, b\u1ee5c gi\u1ea3ng tr\u00ean n\u1ec1n xanh b\u1ea3ng \u0111en ph\u1ed1i tr\u1eafng \u2013 v\u00e0ng\/h\u1ed3ng, t\u1ea1o c\u1ea3m gi\u00e1c trang tr\u1ecdng m\u00e0 g\u1ea7n g\u0169i k\u1ef7 ni\u1ec7m h\u1ecdc \u0111\u01b0\u1eddng, r\u1ea5t ph\u00f9 h\u1ee3p backdrop l\u1edbp h\u1ecdc v\u00e0 thi\u1ec7p ch\u00fac m\u1eebng.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" data-id=\"181990\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1.jpg\" alt=\"Background 20\/11 trang tr\u00ed hoa h\u01b0\u1edbng d\u01b0\u01a1ng\" class=\"wp-image-181990\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1.jpg 1200w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-768x432.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-150x84.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-1067x600.jpg 1067w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-928x522.jpg 928w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-684x385.jpg 684w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-9-1-1031x580.jpg 1031w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Background 20\/11 trang tr\u00ed hoa h\u01b0\u1edbng d\u01b0\u01a1ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"736\" height=\"414\" data-id=\"181979\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n tri \u00e2n th\u1ea7y c\u00f4 v\u1edbi s\u00e1ch, hoa v\u00e0 b\u01b0\u1edbm nh\u1ecf\" class=\"wp-image-181979\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1.jpg 736w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-8-1-684x385.jpg 684w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n tri \u00e2n th\u1ea7y c\u00f4 v\u1edbi s\u00e1ch, hoa v\u00e0 b\u01b0\u1edbm nh\u1ecf (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" data-id=\"181989\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2.jpg\" alt=\"Khung n\u1ec1n h\u1ed3ng pastel \u0111i\u1ec3m xuy\u1ebft hoa l\u00e1 m\u1ec1m m\u1ea1i\" class=\"wp-image-181989\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2.jpg 1200w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-150x84.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-768x432.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-1067x600.jpg 1067w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-928x522.jpg 928w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-684x385.jpg 684w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-7-2-1031x580.jpg 1031w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Khung n\u1ec1n h\u1ed3ng pastel \u0111i\u1ec3m xuy\u1ebft hoa l\u00e1 m\u1ec1m m\u1ea1i (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"736\" height=\"414\" data-id=\"181981\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1.jpg\" alt=\"Background 20\/11 phong c\u00e1ch truy\u1ec1n th\u1ed1ng v\u1edbi h\u1ecda ti\u1ebft hoa ph\u01b0\u1ee3ng\" class=\"wp-image-181981\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1.jpg 736w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-6-1-684x385.jpg 684w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><figcaption class=\"wp-element-caption\">Background 20\/11 phong c\u00e1ch truy\u1ec1n th\u1ed1ng v\u1edbi h\u1ecda ti\u1ebft hoa ph\u01b0\u1ee3ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" data-id=\"181983\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2.jpg\" alt=\"Ph\u00f4ng n\u1ec1n m\u00e0u kem trang tr\u00ed hoa sen h\u1ed3ng thanh nh\u00e3\" class=\"wp-image-181983\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2.jpg 1000w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-239x159.jpg 239w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-479x319.jpg 479w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-659x440.jpg 659w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-329x219.jpg 329w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-355x237.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-782x522.jpg 782w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-728x486.jpg 728w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-5-2-869x580.jpg 869w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n m\u00e0u kem trang tr\u00ed hoa sen h\u1ed3ng thanh nh\u00e3 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"626\" height=\"417\" data-id=\"181984\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1.jpg\" alt=\"B\u1ea3ng \u0111en vi\u1ebft ph\u1ea5n minh h\u1ecda b\u00e0n tay c\u1ea7m ph\u1ea5n\" class=\"wp-image-181984\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1.jpg 626w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1-149x99.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1-299x199.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1-300x200.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1-599x399.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1-323x215.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1-391x260.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-4-1-577x384.jpg 577w\" sizes=\"auto, (max-width: 626px) 100vw, 626px\" \/><figcaption class=\"wp-element-caption\">B\u1ea3ng \u0111en vi\u1ebft ph\u1ea5n minh h\u1ecda b\u00e0n tay c\u1ea7m ph\u1ea5n (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"708\" data-id=\"181985\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1.jpg\" alt=\"Background b\u1ea3ng \u0111en vi\u1ec1n h\u1ecda ti\u1ebft d\u1ee5ng c\u1ee5 h\u1ecdc t\u1eadp\" class=\"wp-image-181985\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1.jpg 1000w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-300x212.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-299x212.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-150x106.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-767x543.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-211x149.jpg 211w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-423x299.jpg 423w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-599x424.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-323x229.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-647x458.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-98x69.jpg 98w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-695x492.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-197x139.jpg 197w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-451x319.jpg 451w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-225x159.jpg 225w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-310x219.jpg 310w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-356x252.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-621x440.jpg 621w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-712x504.jpg 712w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-368x261.jpg 368w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-737x522.jpg 737w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-543x384.jpg 543w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-686x486.jpg 686w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-3-1-819x580.jpg 819w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Background b\u1ea3ng \u0111en vi\u1ec1n h\u1ecda ti\u1ebft d\u1ee5ng c\u1ee5 h\u1ecdc t\u1eadp (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"736\" height=\"414\" data-id=\"181986\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n b\u1ea3ng xanh trang tr\u00ed s\u00e1ch v\u1edf v\u00e0 h\u00ecnh v\u1ebd ph\u1ea5n tr\u1eafng\" class=\"wp-image-181986\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1.jpg 736w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-2-1-684x385.jpg 684w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n b\u1ea3ng xanh trang tr\u00ed s\u00e1ch v\u1edf v\u00e0 h\u00ecnh v\u1ebd ph\u1ea5n tr\u1eafng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"406\" data-id=\"181987\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1.jpg\" alt=\"B\u1ea3ng xanh l\u1edbp h\u1ecdc v\u1edbi b\u00fat m\u00e0u v\u00e0 h\u00ecnh v\u1ebd ph\u1ea5n sinh \u0111\u1ed9ng\" class=\"wp-image-181987\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1.jpg 650w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-299x187.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-300x187.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-149x93.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-599x374.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-647x404.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-323x202.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-256x160.jpg 256w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-512x320.jpg 512w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-648x406.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-355x222.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-352x220.jpg 352w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-417x260.jpg 417w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-1-1-616x385.jpg 616w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption class=\"wp-element-caption\">B\u1ea3ng xanh l\u1edbp h\u1ecdc v\u1edbi b\u00fat m\u00e0u v\u00e0 h\u00ecnh v\u1ebd ph\u1ea5n sinh \u0111\u1ed9ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Background 20\/11 phong c\u00e1ch truy\u1ec1n th\u1ed1ng<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng h\u00ecnh \u1ea3nh quen thu\u1ed9c nh\u01b0 s\u00e1ch m\u1edf, b\u00fat m\u1ef1c, b\u1ea3ng \u0111en, \u00e1o d\u00e0i c\u00f4 gi\u00e1o, hoa sen\/ph\u01b0\u1ee3ng c\u00f9ng c\u00e2u \u0111\u1ed1i ho\u1eb7c th\u01a1 v\u1ec1 th\u1ea7y c\u00f4 (\u201c\u01a0n th\u1ea7y c\u00f4 nh\u01b0 n\u00fai\u201d, \u201cNg\u01b0\u1eddi l\u00e1i \u0111\u00f2\u201d), v\u1edbi m\u00e0u ch\u1ee7 \u0111\u1ea1o n\u00e2u g\u1ed7, xanh l\u00e1, v\u00e0ng \u0111\u1ed3ng, \u0111\u1ecf, mang \u0111\u1eadm n\u00e9t \u201ct\u00f4n s\u01b0 tr\u1ecdng \u0111\u1ea1o\u201d v\u00e0 th\u00edch h\u1ee3p cho l\u1ec5 trang nghi\u00eam c\u0169ng nh\u01b0 backdrop s\u00e2n kh\u1ea5u.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1116\" height=\"561\" data-id=\"181993\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-18.jpg\" alt=\"Thi\u1ec7p ch\u00fac m\u1eebng 20\/11 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh phong c\u00e1ch ho\u1ea1t h\u00ecnh\" class=\"wp-image-181993\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-18.jpg 1116w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-18-599x301.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-18-322x162.jpg 322w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-18-647x325.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-18-694x349.jpg 694w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-18-636x320.jpg 636w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-18-318x160.jpg 318w\" sizes=\"auto, (max-width: 1116px) 100vw, 1116px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p ch\u00fac m\u1eebng 20\/11 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh phong c\u00e1ch ho\u1ea1t h\u00ecnh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"783\" height=\"391\" data-id=\"182001\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1.jpg\" alt=\"Background Ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam v\u1edbi h\u00ecnh \u1ea3nh c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc tr\u00f2\" class=\"wp-image-182001\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-148x74.jpg 148w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-300x150.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-298x149.jpg 298w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-767x383.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-599x299.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-647x323.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-322x161.jpg 322w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-695x347.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-320x160.jpg 320w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-640x320.jpg 640w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-354x177.jpg 354w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-711x355.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-17-1-522x261.jpg 522w\" sizes=\"auto, (max-width: 783px) 100vw, 783px\" \/><figcaption class=\"wp-element-caption\">Background Ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam v\u1edbi h\u00ecnh \u1ea3nh c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc tr\u00f2 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1212\" height=\"611\" data-id=\"182002\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1.jpg\" alt=\"Thi\u1ec7p 20\/11 t\u01b0\u01a1i s\u00e1ng v\u1edbi c\u00f4 gi\u00e1o \u00e1o d\u00e0i v\u00e0 b\u00f3 hoa h\u01b0\u1edbng d\u01b0\u01a1ng\" class=\"wp-image-182002\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1.jpg 1212w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-300x151-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-150x75.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-768x387.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-599x302.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-647x326.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-323x163.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-694x350.jpg 694w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-1067x538.jpg 1067w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-317x160.jpg 317w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-634x320.jpg 634w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-710x358.jpg 710w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-355x179.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-517x261.jpg 517w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-16-1-1035x522.jpg 1035w\" sizes=\"auto, (max-width: 1212px) 100vw, 1212px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p 20\/11 t\u01b0\u01a1i s\u00e1ng v\u1edbi c\u00f4 gi\u00e1o \u00e1o d\u00e0i v\u00e0 b\u00f3 hoa h\u01b0\u1edbng d\u01b0\u01a1ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"768\" data-id=\"182004\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2.jpg\" alt=\"Ph\u00f4ng n\u1ec1n 20\/11 trang tr\u00ed hoa h\u1ed3ng v\u00e0 d\u1ea3i ruy b\u0103ng xanh\" class=\"wp-image-182004\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2.jpg 1280w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-300x180-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-150x90.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-767x460.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-600x360.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-323x194.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-647x388.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-695x417.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-1067x640.jpg 1067w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-266x160.jpg 266w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-533x320.jpg 533w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-355x213.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-712x427.jpg 712w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-435x261.jpg 435w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-870x522.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-641x385.jpg 641w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-15-2-966x580.jpg 966w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n 20\/11 trang tr\u00ed hoa h\u1ed3ng v\u00e0 d\u1ea3i ruy b\u0103ng xanh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"600\" data-id=\"181996\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14.jpg\" alt=\"Tranh minh h\u1ecda c\u00f4 gi\u00e1o c\u00f9ng h\u1ecdc sinh gi\u1eefa v\u01b0\u1eddn hoa h\u01b0\u1edbng d\u01b0\u01a1ng\" class=\"wp-image-181996\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14.jpg 1200w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-300x150-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-768x384.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-150x75.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-600x300.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-324x162.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-648x324.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-696x348.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1068x534.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1044x522.jpg 1044w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-712x356.jpg 712w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-522x261.jpg 522w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-356x178.jpg 356w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Tranh minh h\u1ecda c\u00f4 gi\u00e1o c\u00f9ng h\u1ecdc sinh gi\u1eefa v\u01b0\u1eddn hoa h\u01b0\u1edbng d\u01b0\u01a1ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"600\" data-id=\"181997\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13.jpg\" alt=\"Background tri \u00e2n th\u1ea7y c\u00f4 phong c\u00e1ch th\u01b0 ph\u00e1p v\u00e0 tranh th\u1ee7y m\u1eb7c\" class=\"wp-image-181997\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13.jpg 900w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13-300x200.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-13-870x580.jpg 870w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><figcaption class=\"wp-element-caption\">Background tri \u00e2n th\u1ea7y c\u00f4 phong c\u00e1ch th\u01b0 ph\u00e1p v\u00e0 tranh th\u1ee7y m\u1eb7c (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" data-id=\"182005\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1.jpg\" alt=\"Thi\u1ec7p ch\u00fac m\u1eebng 20\/11 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 hai h\u1ecdc sinh \u0111\u00e1ng y\u00eau\" class=\"wp-image-182005\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1.jpg 1200w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-768x432.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-150x84.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-1067x600.jpg 1067w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-928x522.jpg 928w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-684x385.jpg 684w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-12-1-1031x580.jpg 1031w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p ch\u00fac m\u1eebng 20\/11 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 hai h\u1ecdc sinh \u0111\u00e1ng y\u00eau (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"570\" data-id=\"182000\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-11.jpg\" alt=\"Ph\u00f4ng n\u1ec1n Ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam t\u1ed1i gi\u1ea3n v\u1edbi s\u00e1ch v\u00e0 b\u00fat\" class=\"wp-image-182000\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-11.jpg 800w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-11-695x495.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-11-98x70.jpg 98w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n Ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam t\u1ed1i gi\u1ea3n v\u1edbi s\u00e1ch v\u00e0 b\u00fat (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"600\" data-id=\"182006\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1.jpg\" alt=\"Thi\u1ec7p 20\/11 minh h\u1ecda c\u00f4 gi\u00e1o, h\u1ecdc sinh v\u00e0 hoa h\u01b0\u1edbng d\u01b0\u01a1ng\" class=\"wp-image-182006\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1.jpg 1200w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-150x75.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-768x384.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-300x150-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-324x162.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-648x324.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-600x300.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-696x348.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-1068x534.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-320x160.jpg 320w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-640x320.jpg 640w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-356x178.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-712x356.jpg 712w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-522x261.jpg 522w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-14-1-1044x522.jpg 1044w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p 20\/11 minh h\u1ecda c\u00f4 gi\u00e1o, h\u1ecdc sinh v\u00e0 hoa h\u01b0\u1edbng d\u01b0\u01a1ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Background 20\/11 hi\u1ec7n \u0111\u1ea1i, t\u1ed1i gi\u1ea3n<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed1 c\u1ee5c s\u1ea1ch s\u1ebd, \u00edt chi ti\u1ebft, nhi\u1ec1u kho\u1ea3ng tr\u1ed1ng, t\u00f4ng pastel (h\u1ed3ng, v\u00e0ng kem, be, xanh d\u01b0\u01a1ng nh\u1ea1t) ho\u1eb7c navy\/\u0111\u1ecf \u0111\u00f4 k\u1ebft h\u1ee3p typography ch\u1eef r\u00f5 v\u00e0 h\u1ecda ti\u1ebft nh\u1eb9 hoa v\u0103n ho\u1eb7c h\u00ecnh h\u1ecdc, t\u1ea1o c\u1ea3m gi\u00e1c thanh l\u1ecbch, chuy\u00ean nghi\u1ec7p, d\u1ec5 ch\u00e8n l\u1eddi ch\u00fac ho\u1eb7c logo, r\u1ea5t h\u1ee3p thi\u1ec7p, slide PowerPoint v\u00e0 b\u00e0i \u0111\u0103ng m\u1ea1ng x\u00e3 h\u1ed9i.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1612\" data-id=\"182011\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-27-scaled.jpg\" alt=\"Background 20\/11 phong c\u00e1ch t\u1ed1i gi\u1ea3n v\u1edbi h\u1ecda ti\u1ebft l\u00e1 n\u00e9t m\u1ea3nh\" class=\"wp-image-182011\" title=\"\"><figcaption class=\"wp-element-caption\">Background 20\/11 phong c\u00e1ch t\u1ed1i gi\u1ea3n v\u1edbi h\u1ecda ti\u1ebft l\u00e1 n\u00e9t m\u1ea3nh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"520\" height=\"260\" data-id=\"182007\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-26.jpg\" alt=\"Ph\u00f4ng n\u1ec1n pastel chuy\u1ec3n s\u1eafc h\u1ed3ng t\u00edm nh\u1eb9 nh\u00e0ng\" class=\"wp-image-182007\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-26.jpg 520w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-26-300x150-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-26-150x75.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-26-324x162.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-26-320x160.jpg 320w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-26-356x178.jpg 356w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n pastel chuy\u1ec3n s\u1eafc h\u1ed3ng t\u00edm nh\u1eb9 nh\u00e0ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" data-id=\"182015\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1.jpg\" alt=\"Background xanh pastel trang tr\u00ed l\u00e1 nhi\u1ec7t \u0111\u1edbi \u1edf b\u1ed1n g\u00f3c\" class=\"wp-image-182015\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1.jpg 800w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-300x200.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-149x99.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-767x511.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-299x199.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-647x431.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-323x215.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-599x399.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-695x463.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-25-1-577x384.jpg 577w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Background xanh pastel trang tr\u00ed l\u00e1 nhi\u1ec7t \u0111\u1edbi \u1edf b\u1ed1n g\u00f3c (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"574\" data-id=\"182017\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2.jpg\" alt=\"G\u00f3c b\u00e0n h\u1ecdc trang tr\u00ed m\u00e1y \u1ea3nh, s\u00e1ch v\u1edf v\u00e0 d\u1ee5ng c\u1ee5 h\u1ecdc t\u1eadp\" class=\"wp-image-182017\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2.jpg 1020w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-768x432.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-323x182.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-355x200.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-463x261.jpg 463w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-927x522.jpg 927w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-24-2-684x385.jpg 684w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><figcaption class=\"wp-element-caption\">G\u00f3c b\u00e0n h\u1ecdc trang tr\u00ed m\u00e1y \u1ea3nh, s\u00e1ch v\u1edf v\u00e0 d\u1ee5ng c\u1ee5 h\u1ecdc t\u1eadp (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"719\" height=\"427\" data-id=\"182018\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n b\u1ea7u tr\u1eddi xanh v\u1edbi th\u1ea3m hoa r\u1ef1c r\u1ee1\" class=\"wp-image-182018\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1.jpg 719w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-300x178-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-150x89.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-323x192.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-647x384.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-695x413.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-599x356.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-538x320.jpg 538w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-269x160.jpg 269w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-355x211.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-439x261.jpg 439w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-711x422.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-23-1-648x385.jpg 648w\" sizes=\"auto, (max-width: 719px) 100vw, 719px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n b\u1ea7u tr\u1eddi xanh v\u1edbi th\u1ea3m hoa r\u1ef1c r\u1ee1 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1285\" height=\"720\" data-id=\"182019\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1.jpg\" alt=\"Minh h\u1ecda c\u00f4 gi\u00e1o \u0111\u1ee9ng gi\u1ea3ng b\u00e0i b\u00ean b\u1ea3ng \u0111en\" class=\"wp-image-182019\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1.jpg 1285w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-150x84.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-300x168.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-323x181.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-600x336.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-767x430.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-648x363.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-694x389.jpg 694w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-1067x598.jpg 1067w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-285x160.jpg 285w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-571x320.jpg 571w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-710x398.jpg 710w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-355x199.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-465x261.jpg 465w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-931x522.jpg 931w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-687x385.jpg 687w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-22-1-1035x580.jpg 1035w\" sizes=\"auto, (max-width: 1285px) 100vw, 1285px\" \/><figcaption class=\"wp-element-caption\">Minh h\u1ecda c\u00f4 gi\u00e1o \u0111\u1ee9ng gi\u1ea3ng b\u00e0i b\u00ean b\u1ea3ng \u0111en (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" data-id=\"182021\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21.jpg\" alt=\"Background h\u1ed3ng ph\u1ea5n \u0111i\u1ec3m xuy\u1ebft c\u00e1nh b\u01b0\u1edbm v\u00e0 hoa pastel\" class=\"wp-image-182021\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21.jpg 800w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-149x99.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-300x200.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-767x511.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-299x199.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-599x399.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-323x215.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-647x431.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-695x463.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-577x384.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-21-729x486.jpg 729w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Background h\u1ed3ng ph\u1ea5n \u0111i\u1ec3m xuy\u1ebft c\u00e1nh b\u01b0\u1edbm v\u00e0 hoa pastel (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" data-id=\"182020\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n 20\/11 v\u1edbi hoa tulip v\u00e0 b\u1ea7u tr\u1eddi v\u00e0ng nh\u1ea1t\" class=\"wp-image-182020\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1.jpg 800w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-768x432.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-20-1-684x385.jpg 684w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n 20\/11 v\u1edbi hoa tulip v\u00e0 b\u1ea7u tr\u1eddi v\u00e0ng nh\u1ea1t (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"773\" data-id=\"182014\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-19.jpg\" alt=\"B\u1ea3ng xanh ch\u00fac m\u1eebng 20\/11 trang tr\u00ed ph\u1ea5n, s\u00e1ch v\u00e0 hoa tr\u1eafng\" class=\"wp-image-182014\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-19.jpg 1280w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-19-767x463.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-19-300x181-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-19-149x90.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-19-264x159.jpg 264w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-19-529x319.jpg 529w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-19-960x580.jpg 960w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-19-1275x770.jpg 1275w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">B\u1ea3ng xanh ch\u00fac m\u1eebng 20\/11 trang tr\u00ed ph\u1ea5n, s\u00e1ch v\u00e0 hoa tr\u1eafng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Background 20\/11 v\u1edbi h\u00ecnh \u1ea3nh th\u1ea7y c\u00f4 v\u00e0 h\u1ecdc sinh<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4 t\u1ea3 c\u1ea3nh l\u1edbp h\u1ecdc \u1ea5m \u00e1p v\u1edbi th\u1ea7y\/c\u00f4 gi\u1ea3ng b\u00e0i, h\u1ecdc sinh t\u1eb7ng hoa, \u0111\u00f4i b\u00e0n tay th\u1ea7y tr\u00f2 ho\u1eb7c bi\u1ec3u t\u01b0\u1ee3ng \u201cng\u01b0\u1eddi l\u00e1i \u0111\u00f2\u201d theo phong c\u00e1ch minh h\u1ecda \u1ea5m \u00e1p ho\u1eb7c b\u00e1n hi\u1ec7n th\u1ef1c, gi\u00fap t\u0103ng c\u1ea3m x\u00fac tri \u00e2n v\u00e0 ph\u00f9 h\u1ee3p poster, slide c\u0169ng nh\u01b0 backdrop ch\u1ee5p \u1ea3nh l\u01b0u ni\u1ec7m.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"848\" data-id=\"182031\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1.jpg\" alt=\"Khung n\u1ec1n h\u1ecdc \u0111\u01b0\u1eddng xanh d\u01b0\u01a1ng trang tr\u00ed s\u00e1ch v\u1edf v\u00e0 h\u1ecdc sinh\" class=\"wp-image-182031\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1.jpg 1200w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-300x212-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-150x106.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-767x542.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-600x424.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-323x228.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-212x150.jpg 212w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-647x457.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-424x300.jpg 424w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-695x491.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-1067x754.jpg 1067w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-99x70.jpg 99w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-198x140.jpg 198w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-226x160.jpg 226w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-452x319.jpg 452w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-311x220.jpg 311w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-622x440.jpg 622w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-355x251.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-712x503.jpg 712w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-369x261.jpg 369w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-738x522.jpg 738w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-820x579.jpg 820w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-544x384.jpg 544w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-1089x770.jpg 1089w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-36-1-687x485.jpg 687w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Khung n\u1ec1n h\u1ecdc \u0111\u01b0\u1eddng xanh d\u01b0\u01a1ng trang tr\u00ed s\u00e1ch v\u1edf v\u00e0 h\u1ecdc sinh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"324\" data-id=\"182025\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-35.jpg\" alt=\"Background b\u1ea7u tr\u1eddi xanh v\u1edbi c\u00e1c em nh\u1ecf \u1edf hai g\u00f3c\" class=\"wp-image-182025\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-35.jpg 650w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-35-299x149.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-35-323x161.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-35-641x320.jpg 641w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption class=\"wp-element-caption\">Background b\u1ea7u tr\u1eddi xanh v\u1edbi c\u00e1c em nh\u1ecf \u1edf hai g\u00f3c (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"420\" data-id=\"182026\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-34.jpg\" alt=\"B\u1ea3ng \u0111en l\u1edbp h\u1ecdc trang tr\u00ed s\u00e1ch m\u1edf v\u00e0 ch\u1ed3ng s\u00e1ch\" class=\"wp-image-182026\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-34.jpg 960w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-34-647x283.jpg 647w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><figcaption class=\"wp-element-caption\">B\u1ea3ng \u0111en l\u1edbp h\u1ecdc trang tr\u00ed s\u00e1ch m\u1edf v\u00e0 ch\u1ed3ng s\u00e1ch (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"365\" data-id=\"182032\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1.jpg\" alt=\"Thi\u1ec7p tri \u00e2n th\u1ea7y c\u00f4 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh\" class=\"wp-image-182032\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1.jpg 700w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1-150x78.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1-300x156.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1-299x156.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1-598x312.jpg 598w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1-646x337.jpg 646w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1-322x168.jpg 322w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1-694x362.jpg 694w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1-306x160.jpg 306w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1-613x320.jpg 613w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1-500x261.jpg 500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-33-1-355x185.jpg 355w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p tri \u00e2n th\u1ea7y c\u00f4 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"406\" data-id=\"182033\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n 20\/11 m\u00e0u h\u1ed3ng trang tr\u00ed hoa l\u00e1 v\u00e0 c\u00f4 tr\u00f2\" class=\"wp-image-182033\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1.jpg 650w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-300x187.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-149x93.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-299x187.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-599x374.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-323x202.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-647x404.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-256x160.jpg 256w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-512x320.jpg 512w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-648x406.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-355x222.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-417x260.jpg 417w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-352x220.jpg 352w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-32-1-616x385.jpg 616w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n 20\/11 m\u00e0u h\u1ed3ng trang tr\u00ed hoa l\u00e1 v\u00e0 c\u00f4 tr\u00f2 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"673\" data-id=\"182034\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1.jpg\" alt=\"Minh h\u1ecda c\u00f4 gi\u00e1o t\u01b0\u1edbi hoa c\u00f9ng c\u00e1c em h\u1ecdc sinh nh\u1ecf\" class=\"wp-image-182034\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1.jpg 1200w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-300x168-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-150x84.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-767x430.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-647x363.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-323x181.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-599x336.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-695x390.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-1066x598.jpg 1066w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-285x160.jpg 285w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-570x320.jpg 570w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-355x199.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-465x261.jpg 465w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-711x399.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-930x522.jpg 930w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-686x385.jpg 686w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-31-1-1034x580.jpg 1034w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Minh h\u1ecda c\u00f4 gi\u00e1o t\u01b0\u1edbi hoa c\u00f9ng c\u00e1c em h\u1ecdc sinh nh\u1ecf (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"735\" height=\"490\" data-id=\"182035\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1.jpg\" alt=\"Background gi\u00e1o d\u1ee5c trang tr\u00ed d\u1ee5ng c\u1ee5 m\u1ef9 thu\u1eadt v\u00e0 h\u1ecdc sinh\" class=\"wp-image-182035\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1.jpg 735w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-30-1-729x486.jpg 729w\" sizes=\"auto, (max-width: 735px) 100vw, 735px\" \/><figcaption class=\"wp-element-caption\">Background gi\u00e1o d\u1ee5c trang tr\u00ed d\u1ee5ng c\u1ee5 m\u1ef9 thu\u1eadt v\u00e0 h\u1ecdc sinh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" data-id=\"182029\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-29.jpg\" alt=\"C\u00e1c em nh\u1ecf \u0111\u00e1ng y\u00eau x\u1ebfp h\u00e0ng b\u00ean khung n\u1ec1n tr\u1eafng\" class=\"wp-image-182029\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-29.jpg 1200w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-29-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-29-150x84.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-29-647x364.jpg 647w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">C\u00e1c em nh\u1ecf \u0111\u00e1ng y\u00eau x\u1ebfp h\u00e0ng b\u00ean khung n\u1ec1n tr\u1eafng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"735\" height=\"490\" data-id=\"182036\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1.jpg\" alt=\"Khung thi\u1ec7p 20\/11 v\u1edbi c\u00f4 gi\u00e1o ho\u1ea1t h\u00ecnh v\u00e0 \u0111\u1ed3 d\u00f9ng h\u1ecdc t\u1eadp\" class=\"wp-image-182036\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1.jpg 735w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-28-1-729x486.jpg 729w\" sizes=\"auto, (max-width: 735px) 100vw, 735px\" \/><figcaption class=\"wp-element-caption\">Khung thi\u1ec7p 20\/11 v\u1edbi c\u00f4 gi\u00e1o ho\u1ea1t h\u00ecnh v\u00e0 \u0111\u1ed3 d\u00f9ng h\u1ecdc t\u1eadp (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Background 20\/11 phong c\u00e1ch ho\u1ea1t h\u00ecnh d\u1ec5 th\u01b0\u01a1ng<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e2n v\u1eadt chibi\/cartoon th\u1ea7y c\u00f4 v\u00e0 h\u1ecdc sinh vui v\u1ebb, m\u00e0u t\u01b0\u01a1i s\u00e1ng, b\u00f3ng bay, s\u00e1ch v\u1edf vui nh\u1ed9n, mang kh\u00f4ng kh\u00ed tr\u1ebb trung g\u1ea7n g\u0169i, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p ti\u1ec3u h\u1ecdc, m\u1ea7m non ho\u1eb7c ch\u01b0\u01a1ng tr\u00ecnh do h\u1ecdc sinh t\u1ed5 ch\u1ee9c.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1199\" height=\"674\" data-id=\"182046\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1.jpg\" alt=\"Khung n\u1ec1n l\u1edbp h\u1ecdc trang tr\u00ed d\u1ee5ng c\u1ee5 m\u1ef9 thu\u1eadt v\u00e0 h\u1ecdc sinh ho\u1ea1t h\u00ecnh\" class=\"wp-image-182046\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1.jpg 1199w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-767x431.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-150x84.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-600x337.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-648x364.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-696x391.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-1067x600.jpg 1067w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-569x320.jpg 569w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-712x400.jpg 712w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-928x522.jpg 928w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-684x385.jpg 684w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-45-1-1031x580.jpg 1031w\" sizes=\"auto, (max-width: 1199px) 100vw, 1199px\" \/><figcaption class=\"wp-element-caption\">Khung n\u1ec1n l\u1edbp h\u1ecdc trang tr\u00ed d\u1ee5ng c\u1ee5 m\u1ef9 thu\u1eadt v\u00e0 h\u1ecdc sinh ho\u1ea1t h\u00ecnh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"338\" data-id=\"182037\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-44.jpg\" alt=\"B\u1ea3ng xanh h\u1ecdc \u0111\u01b0\u1eddng v\u1edbi c\u00e1c em nh\u1ecf \u0111\u1ecdc s\u00e1ch v\u00e0 vui h\u1ecdc\" class=\"wp-image-182037\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-44.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-44-300x169-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-44-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-44-323x182.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-44-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-44-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-44-463x261.jpg 463w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-44-355x200.jpg 355w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">B\u1ea3ng xanh h\u1ecdc \u0111\u01b0\u1eddng v\u1edbi c\u00e1c em nh\u1ecf \u0111\u1ecdc s\u00e1ch v\u00e0 vui h\u1ecdc (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1199\" height=\"726\" data-id=\"182048\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2.jpg\" alt=\"B\u1ea3ng \u0111en l\u1edbn trang tr\u00ed h\u00ecnh \u1ea3nh h\u1ecdc sinh v\u00e0 bi\u1ec3u t\u01b0\u1ee3ng gi\u00e1o d\u1ee5c\" class=\"wp-image-182048\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2.jpg 1199w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-768x465.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-300x182.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-149x90.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-299x181.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-324x196.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-600x363.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-647x392.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-1067x646.jpg 1067w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-695x421.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-528x320.jpg 528w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-264x160.jpg 264w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-355x215.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-712x431.jpg 712w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-431x261.jpg 431w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-862x522.jpg 862w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-635x384.jpg 635w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-43-2-957x579.jpg 957w\" sizes=\"auto, (max-width: 1199px) 100vw, 1199px\" \/><figcaption class=\"wp-element-caption\">B\u1ea3ng \u0111en l\u1edbn trang tr\u00ed h\u00ecnh \u1ea3nh h\u1ecdc sinh v\u00e0 bi\u1ec3u t\u01b0\u1ee3ng gi\u00e1o d\u1ee5c (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"871\" height=\"490\" data-id=\"182049\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1.jpg\" alt=\"C\u00f4 gi\u00e1o \u0111\u1ee9ng gi\u1ea3ng b\u00e0i tr\u01b0\u1edbc l\u1edbp h\u1ecdc sinh nh\u1ecf\" class=\"wp-image-182049\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1.jpg 871w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-768x432.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-463x260.jpg 463w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-42-1-684x385.jpg 684w\" sizes=\"auto, (max-width: 871px) 100vw, 871px\" \/><figcaption class=\"wp-element-caption\">C\u00f4 gi\u00e1o \u0111\u1ee9ng gi\u1ea3ng b\u00e0i tr\u01b0\u1edbc l\u1edbp h\u1ecdc sinh nh\u1ecf (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"325\" data-id=\"182050\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-41-1.jpg\" alt=\"Thi\u1ec7p 20\/11 minh h\u1ecda c\u00f4 gi\u00e1o, h\u1ecdc tr\u00f2 v\u00e0 b\u1ea3ng \u0111en s\u00e1ng t\u1ea1o\" class=\"wp-image-182050\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-41-1.jpg 650w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-41-1-300x150-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-41-1-150x75.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-41-1-600x300.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-41-1-324x162.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-41-1-648x325.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-41-1-640x320.jpg 640w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-41-1-320x160.jpg 320w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-41-1-356x178.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-41-1-522x261.jpg 522w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p 20\/11 minh h\u1ecda c\u00f4 gi\u00e1o, h\u1ecdc tr\u00f2 v\u00e0 b\u1ea3ng \u0111en s\u00e1ng t\u1ea1o (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"324\" data-id=\"182051\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1.jpg\" alt=\"Minh h\u1ecda c\u00f4 gi\u00e1o xoa \u0111\u1ea7u em h\u1ecdc sinh nh\u1ecf\" class=\"wp-image-182051\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1.jpg 650w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1-148x74.jpg 148w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1-299x149.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1-300x150.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1-323x161.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1-600x299.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1-648x324.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1-320x160.jpg 320w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1-641x320.jpg 641w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1-355x177.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-40-1-523x261.jpg 523w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption class=\"wp-element-caption\">Minh h\u1ecda c\u00f4 gi\u00e1o xoa \u0111\u1ea7u em h\u1ecdc sinh nh\u1ecf (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"736\" height=\"414\" data-id=\"182052\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1.jpg\" alt=\"Minh h\u1ecda c\u00f4 gi\u00e1o c\u1ea7m s\u00e1ch gi\u1ea3ng b\u00e0i b\u00ean b\u1ea3ng xanh\" class=\"wp-image-182052\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1.jpg 736w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-39-1-684x385.jpg 684w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><figcaption class=\"wp-element-caption\">Minh h\u1ecda c\u00f4 gi\u00e1o c\u1ea7m s\u00e1ch gi\u1ea3ng b\u00e0i b\u00ean b\u1ea3ng xanh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"506\" data-id=\"182053\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1.jpg\" alt=\"Tranh tri \u00e2n c\u00f4 gi\u00e1o v\u1edbi h\u00ecnh \u1ea3nh c\u00f4 tr\u00f2 \u00f4m nhau\" class=\"wp-image-182053\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1.jpg 900w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-767x431.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-569x320.jpg 569w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-38-1-684x385.jpg 684w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><figcaption class=\"wp-element-caption\">Tranh tri \u00e2n c\u00f4 gi\u00e1o v\u1edbi h\u00ecnh \u1ea3nh c\u00f4 tr\u00f2 \u00f4m nhau (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"182054\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1.jpg\" alt=\"Background pastel trang tr\u00ed s\u00e1ch v\u1edf v\u00e0 d\u1ee5ng c\u1ee5 h\u1ecdc t\u1eadp\" class=\"wp-image-182054\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-768x432.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-928x522.jpg 928w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-37-1-684x385.jpg 684w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Background pastel trang tr\u00ed s\u00e1ch v\u1edf v\u00e0 d\u1ee5ng c\u1ee5 h\u1ecdc t\u1eadp (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. Background 20\/11 c\u00f3 s\u1eb5n l\u1eddi ch\u00fac v\u00e0 th\u00f4ng \u0111i\u1ec7p tri \u00e2n<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1eef n\u1ed5i b\u1eadt nh\u01b0 \u201cTri \u00e2n th\u1ea7y c\u00f4\u201d, \u201cCh\u00fac m\u1eebng Ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam 20\/11\u201d, \u201cC\u00f4ng cha ngh\u0129a m\u1eb9 \u01a1n th\u1ea7y\u201d, \u201cNg\u01b0\u1eddi l\u00e1i \u0111\u00f2 th\u1ea7m l\u1eb7ng\u201d ho\u1eb7c \u201c\u01a0n th\u1ea7y c\u00f4 m\u00e3i kh\u1eafc ghi\u201d th\u01b0\u1eddng k\u1ebft h\u1ee3p hoa, s\u00e1ch ho\u1eb7c b\u1ea3ng \u0111en tr\u00ean n\u1ec1n nh\u1eb9, gi\u00fap d\u1ec5 d\u00f9ng ngay cho thi\u1ec7p v\u00e0 social media.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-6 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" data-id=\"182064\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1.jpg\" alt=\"H\u1ecdc sinh t\u1eb7ng hoa cho th\u1ea7y gi\u00e1o tr\u01b0\u1edbc b\u1ea3ng xanh\" class=\"wp-image-182064\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1.jpg 1200w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-150x84.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-768x432.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-1067x600.jpg 1067w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-928x522.jpg 928w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-684x385.jpg 684w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-54-1-1031x580.jpg 1031w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">H\u1ecdc sinh t\u1eb7ng hoa cho th\u1ea7y gi\u00e1o tr\u01b0\u1edbc b\u1ea3ng xanh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" data-id=\"182065\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1.jpg\" alt=\"G\u00f3c l\u1edbp h\u1ecdc trang tr\u00ed hoa t\u01b0\u01a1i, s\u00e1ch v\u1edf v\u00e0 b\u1ea3ng \u0111en 20\/11\" class=\"wp-image-182065\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1.jpg 1000w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1-648x432.jpg 648w, 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https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1-728x486.jpg 728w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-53-1-869x580.jpg 869w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">G\u00f3c l\u1edbp h\u1ecdc trang tr\u00ed hoa t\u01b0\u01a1i, s\u00e1ch v\u1edf v\u00e0 b\u1ea3ng \u0111en 20\/11 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" data-id=\"182066\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1.jpg\" alt=\"Background tri \u00e2n 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https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-239x159.jpg 239w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-479x319.jpg 479w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-329x219.jpg 329w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-659x440.jpg 659w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-355x237.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-782x522.jpg 782w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-728x486.jpg 728w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-52-1-869x580.jpg 869w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Background tri \u00e2n th\u1ea7y c\u00f4 phong c\u00e1ch th\u01b0 ph\u00e1p v\u00e0 tranh th\u1ee7y m\u1eb7c (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"427\" data-id=\"182067\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1.jpg\" alt=\"B\u1ea3ng xanh ch\u00fac m\u1eebng 20\/11 v\u1edbi h\u00ecnh \u1ea3nh c\u00f4 tr\u00f2 \u0111\u1ecdc s\u00e1ch\" class=\"wp-image-182067\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1.jpg 700w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1-150x91.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1-300x183.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1-600x366.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1-323x197.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1-648x395.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1-695x424.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1-524x320.jpg 524w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1-262x160.jpg 262w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1-427x260.jpg 427w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1-356x217.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-51-1-631x385.jpg 631w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\">B\u1ea3ng xanh ch\u00fac m\u1eebng 20\/11 v\u1edbi h\u00ecnh \u1ea3nh c\u00f4 tr\u00f2 \u0111\u1ecdc s\u00e1ch (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"846\" data-id=\"182068\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-50-1.jpg\" alt=\"Thi\u1ec7p 20\/11 trang tr\u00ed hoa h\u01b0\u1edbng d\u01b0\u01a1ng v\u00e0 l\u1eddi tri \u00e2n th\u1ea7y c\u00f4\" class=\"wp-image-182068\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-50-1.jpg 1200w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-50-1-300x212.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-50-1-767x541.jpg 767w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-50-1-149x105.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-50-1-299x211.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-50-1-425x300.jpg 425w, 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https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-50-1-711x501.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-50-1-689x486.jpg 689w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-50-1-1092x770.jpg 1092w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-50-1-822x580.jpg 822w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p 20\/11 trang tr\u00ed hoa h\u01b0\u1edbng d\u01b0\u01a1ng v\u00e0 l\u1eddi tri \u00e2n th\u1ea7y c\u00f4 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"736\" height=\"414\" data-id=\"182069\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1.jpg\" alt=\"C\u00f4 gi\u00e1o c\u00f9ng h\u1ecdc sinh b\u00ean b\u1ea3ng xanh trang tr\u00ed c\u1edd m\u00e0u\" class=\"wp-image-182069\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1.jpg 736w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-49-1-684x385.jpg 684w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><figcaption class=\"wp-element-caption\">C\u00f4 gi\u00e1o c\u00f9ng h\u1ecdc sinh b\u00ean b\u1ea3ng xanh trang tr\u00ed c\u1edd m\u00e0u (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"736\" height=\"414\" data-id=\"182070\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n 20\/11 v\u1edbi s\u00e1ch m\u1edf, m\u0169 t\u1ed1t nghi\u1ec7p v\u00e0 hoa h\u1ed3ng\" class=\"wp-image-182070\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1.jpg 736w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-464x261.jpg 464w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-48-1-684x385.jpg 684w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n 20\/11 v\u1edbi s\u00e1ch m\u1edf, m\u0169 t\u1ed1t nghi\u1ec7p v\u00e0 hoa h\u1ed3ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"736\" height=\"414\" data-id=\"182071\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1.jpg\" alt=\"B\u1ea3ng xanh tri \u00e2n th\u1ea7y c\u00f4 trang tr\u00ed s\u00e1ch, hoa v\u00e0 d\u1ee5ng c\u1ee5 h\u1ecdc t\u1eadp\" class=\"wp-image-182071\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1.jpg 736w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-149x84.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-299x168.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-599x337.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-324x182.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-647x364.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-695x391.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-568x320.jpg 568w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-284x160.jpg 284w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-356x200.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-684x385.jpg 684w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-711x400.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-47-1-464x261.jpg 464w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><figcaption class=\"wp-element-caption\">B\u1ea3ng xanh tri \u00e2n th\u1ea7y c\u00f4 trang tr\u00ed s\u00e1ch, hoa v\u00e0 d\u1ee5ng c\u1ee5 h\u1ecdc t\u1eadp (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"433\" data-id=\"182072\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1.jpg\" alt=\"Thi\u1ec7p ch\u00fac m\u1eebng 20\/11 v\u1edbi c\u00f4 gi\u00e1o, h\u1ecdc sinh v\u00e0 h\u1ecda ti\u1ebft tr\u00e1i tim--\" class=\"wp-image-182072\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1.jpg 700w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-149x92.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-300x186.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-299x185.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-323x200.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-647x400.jpg 647w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-600x371.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-695x430.jpg 695w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-258x160.jpg 258w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-517x320.jpg 517w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-355x220.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-356x220.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-421x260.jpg 421w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-46-1-622x385.jpg 622w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p ch\u00fac m\u1eebng 20\/11 v\u1edbi c\u00f4 gi\u00e1o, h\u1ecdc sinh v\u00e0 h\u1ecda ti\u1ebft tr\u00e1i tim (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>II. Background 20\/11 theo t\u1eebng m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f9y v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng nh\u01b0 trang tr\u00ed l\u1edbp h\u1ecdc, thi\u1ebft k\u1ebf thi\u1ec7p ch\u00fac m\u1eebng, l\u00e0m slide thuy\u1ebft tr\u00ecnh hay t\u1ed5 ch\u1ee9c ch\u01b0\u01a1ng tr\u00ecnh tri \u00e2n, m\u1ed7i lo\u1ea1i background 20\/11 s\u1ebd c\u00f3 c\u00e1ch th\u1ec3 hi\u1ec7n ri\u00eang. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng m\u1eabu ph\u00f4ng n\u1ec1n \u0111\u01b0\u1ee3c ph\u00e2n chia theo t\u1eebng nhu c\u1ea7u, n\u1ed9i dung v\u00e0 kh\u00f4ng gian s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Background l\u00e0m thi\u1ec7p ch\u00fac m\u1eebng 20\/11<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u01afu ti\u00ean b\u1ed1 c\u1ee5c tho\u00e1ng, c\u00f3 kho\u1ea3ng tr\u1ed1ng trung t\u00e2m\/g\u00f3c \u0111\u1ec3 vi\u1ebft l\u1eddi ch\u00fac; t\u00f4ng pastel, hoa nh\u1eb9, s\u00e1ch\/b\u00fat tinh t\u1ebf. K\u00edch th\u01b0\u1edbc vu\u00f4ng ho\u1eb7c d\u1ecdc, \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao. Phong c\u00e1ch t\u1ed1i gi\u1ea3n ho\u1eb7c hoa t\u01b0\u01a1i thanh l\u1ecbch l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-7 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1240\" height=\"1748\" data-id=\"182082\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1.jpg\" alt=\"Thi\u1ec7p Happy Teacher\u2019s Day trang tr\u00ed b\u00f3 hoa t\u01b0\u01a1i phong c\u00e1ch t\u1ed1i gi\u1ea3n\" class=\"wp-image-182082\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1.jpg 1240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-638x900.jpg 638w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-213x300.jpg 213w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-768x1082.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-299x422.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-150x211.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-1090x1536.jpg 1090w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-599x845.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-567x799.jpg 567w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-283x399.jpg 283w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-696x981.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-1068x1505.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-258x364.jpg 258w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-63-1-516x727.jpg 516w\" sizes=\"auto, (max-width: 1240px) 100vw, 1240px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p Happy Teacher\u2019s Day trang tr\u00ed b\u00f3 hoa t\u01b0\u01a1i phong c\u00e1ch t\u1ed1i gi\u1ea3n (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1240\" height=\"1748\" data-id=\"182076\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-62.jpg\" alt=\"H\u1ecda ti\u1ebft hoa nhi\u1ec7t \u0111\u1edbi r\u1ef1c r\u1ee1 v\u1edbi nhi\u1ec1u gam m\u00e0u n\u1ed5i b\u1eadt\" class=\"wp-image-182076\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-62.jpg 1240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-62-1068x1505.jpg 1068w\" sizes=\"auto, (max-width: 1240px) 100vw, 1240px\" \/><figcaption class=\"wp-element-caption\">H\u1ecda ti\u1ebft hoa nhi\u1ec7t \u0111\u1edbi r\u1ef1c r\u1ee1 v\u1edbi nhi\u1ec1u gam m\u00e0u n\u1ed5i b\u1eadt (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1240\" height=\"1748\" data-id=\"182083\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1.jpg\" alt=\"Thi\u1ec7p c\u1ea3m \u01a1n th\u1ea7y c\u00f4 v\u1edbi phong b\u00ec xanh v\u00e0 tr\u00e1i tim\" class=\"wp-image-182083\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1.jpg 1240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-768x1082.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-638x900.jpg 638w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-213x300.jpg 213w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-1090x1536.jpg 1090w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-150x211.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-299x422.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-599x845.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-567x799.jpg 567w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-696x981.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-1068x1505.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-516x727.jpg 516w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-61-1-258x364.jpg 258w\" sizes=\"auto, (max-width: 1240px) 100vw, 1240px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p c\u1ea3m \u01a1n th\u1ea7y c\u00f4 v\u1edbi phong b\u00ec xanh v\u00e0 tr\u00e1i tim (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1240\" height=\"1748\" data-id=\"182077\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-60.jpg\" alt=\"Background 20\/11 trang tr\u00ed hoa xanh pastel v\u00e0 ch\u1eef ngh\u1ec7 thu\u1eadt\" class=\"wp-image-182077\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-60.jpg 1240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-60-1068x1505.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-60-599x845.jpg 599w\" sizes=\"auto, (max-width: 1240px) 100vw, 1240px\" \/><figcaption class=\"wp-element-caption\">Background 20\/11 trang tr\u00ed hoa xanh pastel v\u00e0 ch\u1eef ngh\u1ec7 thu\u1eadt (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1240\" height=\"1748\" data-id=\"182084\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1.jpg\" alt=\"Tranh minh h\u1ecda h\u1ecdc sinh t\u1eb7ng hoa sen cho c\u00f4 gi\u00e1o\" class=\"wp-image-182084\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1.jpg 1240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-638x900.jpg 638w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-213x300.jpg 213w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-1090x1536.jpg 1090w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-768x1082.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-150x211.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-599x845.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-299x422.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-283x399.jpg 283w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-696x981.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-567x799.jpg 567w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-1068x1505.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-258x364.jpg 258w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-59-1-516x727.jpg 516w\" sizes=\"auto, (max-width: 1240px) 100vw, 1240px\" \/><figcaption class=\"wp-element-caption\">Tranh minh h\u1ecda h\u1ecdc sinh t\u1eb7ng hoa sen cho c\u00f4 gi\u00e1o (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1240\" height=\"1748\" data-id=\"182085\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1.jpg\" alt=\"Thi\u1ec7p tri \u00e2n th\u1ea7y c\u00f4 v\u1edbi h\u00ecnh \u1ea3nh c\u00f4 gi\u00e1o \u00e1o d\u00e0i v\u00e0 h\u1ecdc tr\u00f2\" class=\"wp-image-182085\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1.jpg 1240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-213x300.jpg 213w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-638x900.jpg 638w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-150x211.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-1090x1536.jpg 1090w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-768x1082.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-299x422.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-283x399.jpg 283w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-599x845.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-567x799.jpg 567w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-696x981.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-1068x1505.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-258x364.jpg 258w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-58-1-516x727.jpg 516w\" sizes=\"auto, (max-width: 1240px) 100vw, 1240px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p tri \u00e2n th\u1ea7y c\u00f4 v\u1edbi h\u00ecnh \u1ea3nh c\u00f4 gi\u00e1o \u00e1o d\u00e0i v\u00e0 h\u1ecdc tr\u00f2 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1240\" height=\"1748\" data-id=\"182086\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1.jpg\" alt=\"Thi\u1ec7p 20\/11 k\u1ebft h\u1ee3p \u1ea3nh k\u1ef7 ni\u1ec7m th\u1ea7y c\u00f4 v\u00e0 h\u1ecdc sinh\" class=\"wp-image-182086\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1.jpg 1240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-213x300.jpg 213w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-768x1082.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-299x422.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-1090x1536.jpg 1090w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-638x900.jpg 638w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-150x211.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-599x845.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-283x399.jpg 283w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-567x799.jpg 567w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-1068x1505.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-258x364.jpg 258w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-57-1-516x727.jpg 516w\" sizes=\"auto, (max-width: 1240px) 100vw, 1240px\" \/><figcaption class=\"wp-element-caption\">Thi\u1ec7p 20\/11 k\u1ebft h\u1ee3p \u1ea3nh k\u1ef7 ni\u1ec7m th\u1ea7y c\u00f4 v\u00e0 h\u1ecdc sinh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1240\" height=\"1748\" data-id=\"182087\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1.jpg\" alt=\"Minh h\u1ecda c\u00f4 gi\u00e1o nh\u1eadn hoa t\u1eeb h\u1ecdc sinh b\u00ean b\u1ea3ng xanh\" class=\"wp-image-182087\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1.jpg 1240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-213x300.jpg 213w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-150x211.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-638x900.jpg 638w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-1090x1536.jpg 1090w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-768x1082.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-299x422.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-567x799.jpg 567w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-599x845.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-283x399.jpg 283w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-1068x1505.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-696x981.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-258x364.jpg 258w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-56-1-516x727.jpg 516w\" sizes=\"auto, (max-width: 1240px) 100vw, 1240px\" \/><figcaption class=\"wp-element-caption\">Minh h\u1ecda c\u00f4 gi\u00e1o nh\u1eadn hoa t\u1eeb h\u1ecdc sinh b\u00ean b\u1ea3ng xanh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1240\" height=\"1748\" data-id=\"182088\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1.jpg\" alt=\"Poster tri \u00e2n nh\u00e0 gi\u00e1o v\u1edbi c\u00f4 gi\u00e1o \u00e1o d\u00e0i gi\u1eefa v\u01b0\u1eddn hoa\" class=\"wp-image-182088\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1.jpg 1240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-213x300.jpg 213w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-638x900.jpg 638w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-768x1082.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-299x422.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-150x211.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-1090x1536.jpg 1090w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-283x399.jpg 283w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-567x799.jpg 567w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-599x845.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-1068x1505.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-696x981.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-258x364.jpg 258w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-55-1-516x727.jpg 516w\" sizes=\"auto, (max-width: 1240px) 100vw, 1240px\" \/><figcaption class=\"wp-element-caption\">Poster tri \u00e2n nh\u00e0 gi\u00e1o v\u1edbi c\u00f4 gi\u00e1o \u00e1o d\u00e0i gi\u1eefa v\u01b0\u1eddn hoa (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Background thi\u1ebft k\u1ebf poster, banner 20\/11<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea7n \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao (full HD tr\u1edf l\u00ean), h\u1ecda ti\u1ebft l\u1edbn r\u00f5 t\u1eeb xa, \u0111i\u1ec3m nh\u1ea5n m\u1ea1nh (hoa, ch\u1eef tri \u00e2n). T\u1ef7 l\u1ec7 d\u1ecdc ho\u1eb7c ngang t\u00f9y banner; m\u00e0u \u0111\u1ecf\/v\u00e0ng\/kem n\u1ed5i b\u1eadt. K\u1ebft h\u1ee3p truy\u1ec1n th\u1ed1ng ho\u1eb7c hi\u1ec7n \u0111\u1ea1i t\u00f9y kh\u00f4ng gian.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-8 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182099\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2.jpg\" alt=\"Background 20\/11 t\u00f4ng kem v\u1edbi s\u00e1ch m\u1edf v\u00e0 b\u00fat l\u00f4ng ngh\u1ec7 thu\u1eadt\" class=\"wp-image-182099\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-72-2-870x580.jpg 870w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background 20\/11 t\u00f4ng kem v\u1edbi s\u00e1ch m\u1edf v\u00e0 b\u00fat l\u00f4ng ngh\u1ec7 thu\u1eadt (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182100\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n \u0111\u1ecf ch\u1ee7 \u0111\u1ec1 20\/11 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh t\u1eb7ng hoa\" class=\"wp-image-182100\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-660x440.jpg 660w, 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https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-870x580.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-71-1-1458x972.jpg 1458w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n \u0111\u1ecf ch\u1ee7 \u0111\u1ec1 20\/11 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh t\u1eb7ng hoa (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182101\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1.jpg\" alt=\"Background Ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam m\u00e0u \u0111\u1ecf v\u1edbi h\u1ecda ti\u1ebft hoa v\u00e0 s\u1ed1 20\/11\" class=\"wp-image-182101\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-70-1-356x237.jpg 356w, 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class=\"wp-element-caption\">Background Ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam m\u00e0u \u0111\u1ecf v\u1edbi h\u1ecda ti\u1ebft hoa v\u00e0 s\u1ed1 20\/11 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182102\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n h\u1ed3ng pastel trang tr\u00ed h\u1ecda ti\u1ebft tr\u00e1i tim v\u00e0 ch\u1eef 20\/11\" class=\"wp-image-182102\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-150x100.jpg 150w, 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https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-870x580.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-69-1-1155x770.jpg 1155w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n h\u1ed3ng pastel trang tr\u00ed h\u1ecda ti\u1ebft tr\u00e1i tim v\u00e0 ch\u1eef 20\/11 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182103\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1.jpg\" alt=\"Background 20\/11 t\u00f4ng tr\u1eafng v\u00e0ng v\u1edbi hoa c\u1ecf v\u00e0 ch\u1eef ngh\u1ec7 thu\u1eadt\" class=\"wp-image-182103\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-870x580.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-68-1-1458x972.jpg 1458w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background 20\/11 t\u00f4ng tr\u1eafng v\u00e0ng v\u1edbi hoa c\u1ecf v\u00e0 ch\u1eef ngh\u1ec7 thu\u1eadt (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182104\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-67-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n tri \u00e2n th\u1ea7y c\u00f4 m\u00e0u kem v\u1edbi hoa tr\u1eafng v\u00e0 h\u1ecda ti\u1ebft 20\/11\" class=\"wp-image-182104\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-67-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-67-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-67-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-67-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-67-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-67-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-67-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-67-1-648x432.jpg 648w, 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class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n tri \u00e2n th\u1ea7y c\u00f4 m\u00e0u kem v\u1edbi hoa tr\u1eafng v\u00e0 h\u1ecda ti\u1ebft 20\/11 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182105\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1.jpg\" alt=\"Background h\u1ed3ng pastel minh h\u1ecda c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh b\u00ean khung ch\u1eef\" class=\"wp-image-182105\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-870x580.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-66-1-1458x972.jpg 1458w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background h\u1ed3ng pastel minh h\u1ecda c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh b\u00ean khung ch\u1eef (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182106\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n 20\/11 phong c\u00e1ch t\u1ed1i gi\u1ea3n v\u1edbi s\u00e1ch v\u00e0 h\u00ecnh \u1ea3nh c\u00f4 tr\u00f2\" class=\"wp-image-182106\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-870x580.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-65-1-1155x770.jpg 1155w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n 20\/11 phong c\u00e1ch t\u1ed1i gi\u1ea3n v\u1edbi s\u00e1ch v\u00e0 h\u00ecnh \u1ea3nh c\u00f4 tr\u00f2 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182097\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-64.jpg\" alt=\"Background xanh d\u01b0\u01a1ng trang tr\u00ed s\u1ed1 20\/11 v\u00e0 hoa tulip n\u1ed5i b\u1eadt\" class=\"wp-image-182097\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-64.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-64-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-64-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-64-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-64-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-64-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-64-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-64-870x580.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-64-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-64-1458x972.jpg 1458w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background xanh d\u01b0\u01a1ng trang tr\u00ed s\u1ed1 20\/11 v\u00e0 hoa tulip n\u1ed5i b\u1eadt (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Background l\u00e0m slide thuy\u1ebft tr\u00ecnh ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ec1n \u00edt chi ti\u1ebft, \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n cao \u0111\u1ec3 ch\u1eef r\u00f5; t\u00f4ng trung t\u00ednh ho\u1eb7c pastel nh\u1eb9; t\u1ef7 l\u1ec7 16:9 chu\u1ea9n. 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https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-81-1-870x580.jpg 870w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background slide 20\/11 t\u00f4ng h\u1ed3ng pastel v\u1edbi khung vi\u1ec1n ruy b\u0103ng \u0111\u1ecf (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img 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https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-80-1-870x580.jpg 870w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n slide d\u1ea1ng gi\u1ea5y ghi ch\u00fa trang tr\u00ed hoa v\u00e0 bi\u1ec3u t\u01b0\u1ee3ng d\u1ec5 th\u01b0\u01a1ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182111\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-79.jpg\" alt=\"Background slide m\u00e0u kem v\u1edbi gi\u1ea5y vi\u1ebft th\u01b0, hoa nh\u1ecf v\u00e0 b\u00fat l\u00f4ng\" class=\"wp-image-182111\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-79.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-79-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-79-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-79-600x400.jpg 600w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background slide m\u00e0u kem v\u1edbi gi\u1ea5y vi\u1ebft th\u01b0, hoa nh\u1ecf v\u00e0 b\u00fat l\u00f4ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1350\" height=\"900\" data-id=\"182107\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-1350x900.jpg\" alt=\"Ph\u00f4ng n\u1ec1n slide 20\/11 trang tr\u00ed s\u00e1ch m\u1edf hai b\u00ean\" class=\"wp-image-182107\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-870x580.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-78.jpg 1500w\" sizes=\"auto, (max-width: 1350px) 100vw, 1350px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n slide 20\/11 trang tr\u00ed s\u00e1ch m\u1edf hai b\u00ean (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182118\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1.jpg\" alt=\"Background slide t\u1ed1i gi\u1ea3n v\u1edbi hoa sen h\u1ed3ng v\u00e0 \u00e1nh s\u00e1ng pastel\" class=\"wp-image-182118\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-870x580.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-77-1-729x486.jpg 729w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background slide t\u1ed1i gi\u1ea3n v\u1edbi hoa sen h\u1ed3ng v\u00e0 \u00e1nh s\u00e1ng pastel (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182119\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n tr\u1eafng thanh l\u1ecbch \u0111i\u1ec3m xuy\u1ebft hoa n\u00e9t m\u1ea3nh v\u00e0 l\u1eddi tri \u00e2n\" class=\"wp-image-182119\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-870x580.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-76-1-1458x972.jpg 1458w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n tr\u1eafng thanh l\u1ecbch \u0111i\u1ec3m xuy\u1ebft hoa n\u00e9t m\u1ea3nh v\u00e0 l\u1eddi tri \u00e2n (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182120\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1.jpg\" alt=\"Background slide v\u00e0ng pastel v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh t\u1eb7ng hoa\" class=\"wp-image-182120\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-75-1-870x580.jpg 870w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background slide v\u00e0ng pastel v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh t\u1eb7ng hoa (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182114\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-74.jpg\" alt=\"Ph\u00f4ng n\u1ec1n h\u1ed3ng nh\u1ea1t minh h\u1ecda c\u00f4 gi\u00e1o \u00e1o d\u00e0i b\u00ean hoa sen\" class=\"wp-image-182114\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-74.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-74-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-74-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-74-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-74-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-74-870x580.jpg 870w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n h\u1ed3ng nh\u1ea1t minh h\u1ecda c\u00f4 gi\u00e1o \u00e1o d\u00e0i b\u00ean hoa sen (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182121\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1.jpg\" alt=\"Background slide xanh mint v\u1edbi s\u00e1ch m\u1edf v\u00e0 h\u00ecnh \u1ea3nh c\u00f4 tr\u00f2\" class=\"wp-image-182121\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-73-1-870x580.jpg 870w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background slide xanh mint v\u1edbi s\u00e1ch m\u1edf v\u00e0 h\u00ecnh \u1ea3nh c\u00f4 tr\u00f2 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Background trang tr\u00ed l\u1edbp h\u1ecdc, s\u00e2n kh\u1ea5u<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Backdrop l\u1edbn, t\u1ef7 l\u1ec7 16:9 ho\u1eb7c t\u00f9y k\u00edch th\u01b0\u1edbc khung; ch\u1ea5t li\u1ec7u in t\u1ed1t, m\u00e0u h\u00e0i h\u00f2a v\u1edbi kh\u00f4ng gian. Phong c\u00e1ch truy\u1ec1n th\u1ed1ng (b\u1ea3ng \u0111en + hoa) ho\u1eb7c hi\u1ec7n \u0111\u1ea1i t\u1ed1i gi\u1ea3n \u0111\u1ec1u ph\u1ed5 bi\u1ebfn, c\u00f3 kh\u00f4ng gian tr\u1ed1ng \u0111\u1ec3 ch\u1ee5p \u1ea3nh.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-10 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182132\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1.jpg\" alt=\"Background s\u00e2n kh\u1ea5u 20\/11 v\u1edbi h\u00e0ng c\u00e2y v\u00e0 ki\u1ebfn tr\u00fac tr\u01b0\u1eddng h\u1ecdc\" class=\"wp-image-182132\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-90-1-870x580.jpg 870w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background s\u00e2n kh\u1ea5u 20\/11 v\u1edbi h\u00e0ng c\u00e2y v\u00e0 ki\u1ebfn tr\u00fac tr\u01b0\u1eddng h\u1ecdc (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182133\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n Happy Teachers\u2019 Day v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh ho\u1ea1t h\u00ecnh\" class=\"wp-image-182133\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-870x580.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-89-1-1458x972.jpg 1458w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n Happy Teachers\u2019 Day v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh ho\u1ea1t h\u00ecnh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182134\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1.jpg\" alt=\"Background s\u00e2n kh\u1ea5u ch\u00e0o m\u1eebng Ng\u00e0y Nh\u00e0 gi\u00e1o v\u1edbi t\u1eadp th\u1ec3 h\u1ecdc sinh\" class=\"wp-image-182134\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-768x512.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-150x100.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-300x200-1.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-1350x900.jpg 1350w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-600x400.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-324x216.jpg 324w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-648x432.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-696x464.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-1392x928.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-1068x712.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-480x320.jpg 480w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-1458x972.jpg 1458w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-88-1-870x580.jpg 870w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background s\u00e2n kh\u1ea5u ch\u00e0o m\u1eebng Ng\u00e0y Nh\u00e0 gi\u00e1o v\u1edbi t\u1eadp th\u1ec3 h\u1ecdc sinh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182135\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-86-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n l\u1edbp h\u1ecdc ngo\u00e0i tr\u1eddi v\u1edbi c\u00f4 tr\u00f2 v\u00e0 b\u1ea3ng xanh\" class=\"wp-image-182135\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-86-1.jpg 1500w, 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https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-87-1-330x220.jpg 330w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-87-1-660x440.jpg 660w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-87-1-711x474.jpg 711w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-87-1-356x237.jpg 356w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-87-1-391x261.jpg 391w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-87-1-783x522.jpg 783w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-87-1-577x385.jpg 577w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-87-1-1155x770.jpg 1155w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-87-1-729x486.jpg 729w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-87-1-870x580.jpg 870w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-87-1-1458x972.jpg 1458w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n trang tr\u00ed s\u00e2n kh\u1ea5u v\u1edbi h\u1ecdc sinh hai b\u00ean (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1000\" data-id=\"182131\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-82.jpg\" alt=\"Background 20\/11 t\u00f4ng kem \u0111i\u1ec3m xuy\u1ebft hoa h\u01b0\u1edbng d\u01b0\u01a1ng\" class=\"wp-image-182131\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-82.jpg 1500w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-82-240x160.jpg 240w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-82-480x320.jpg 480w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><figcaption class=\"wp-element-caption\">Background 20\/11 t\u00f4ng kem \u0111i\u1ec3m xuy\u1ebft hoa h\u01b0\u1edbng d\u01b0\u01a1ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Background \u0111\u0103ng Facebook, Zalo v\u00e0 m\u1ea1ng x\u00e3 h\u1ed9i<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ed5 vu\u00f4ng (1:1) ho\u1eb7c d\u1ecdc (9:16 cho story); m\u00e0u t\u01b0\u01a1i, ch\u1eef r\u00f5, b\u1ed1 c\u1ee5c c\u00e2n \u0111\u1ed1i. Phong c\u00e1ch ho\u1ea1t h\u00ecnh d\u1ec5 th\u01b0\u01a1ng, hoa t\u01b0\u01a1i ho\u1eb7c t\u1ed1i gi\u1ea3n k\u00e8m l\u1eddi ch\u00fac ng\u1eafn \u0111\u1ec1u d\u1ec5 viral v\u00e0 ph\u00f9 h\u1ee3p c\u1ea3m x\u00fac.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-11 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1920\" data-id=\"182145\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-99.jpg\" alt=\"Background \u0111\u0103ng m\u1ea1ng x\u00e3 h\u1ed9i 20\/11 v\u1edbi thi\u1ec7p tri \u00e2n v\u00e0 hoa h\u1ed3ng\" class=\"wp-image-182145\" title=\"\"><figcaption class=\"wp-element-caption\">Background \u0111\u0103ng m\u1ea1ng x\u00e3 h\u1ed9i 20\/11 v\u1edbi thi\u1ec7p tri \u00e2n v\u00e0 hoa ly (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1920\" data-id=\"182150\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n Ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam v\u1edbi s\u00e1ch m\u1edf v\u00e0 b\u1ea7u tr\u1eddi xanh\" class=\"wp-image-182150\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1.jpg 1080w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-169x300.jpg 169w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-506x900.jpg 506w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-864x1536.jpg 864w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-768x1365.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-149x265.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-299x532.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-599x1065.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-225x400.jpg 225w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-450x800.jpg 450w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-696x1237.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-1068x1898.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-204x363.jpg 204w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-98-1-409x727.jpg 409w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n Ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam v\u1edbi s\u00e1ch m\u1edf v\u00e0 b\u1ea7u tr\u1eddi xanh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1920\" data-id=\"182151\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1.jpg\" alt=\"Tranh minh h\u1ecda c\u00f4 gi\u00e1o \u00e1o d\u00e0i nh\u1eadn hoa t\u1eeb h\u1ecdc sinh\" class=\"wp-image-182151\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1.jpg 1080w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-169x300.jpg 169w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-506x900.jpg 506w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-768x1365.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-149x265.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-299x532.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-864x1536.jpg 864w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-225x400.jpg 225w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-599x1065.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-450x800.jpg 450w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-696x1237.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-1068x1898.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-204x363.jpg 204w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-97-1-409x727.jpg 409w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><figcaption class=\"wp-element-caption\">Tranh minh h\u1ecda c\u00f4 gi\u00e1o \u00e1o d\u00e0i nh\u1eadn hoa t\u1eeb h\u1ecdc sinh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1920\" data-id=\"182152\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1.jpg\" alt=\"Background 20\/11 t\u00f4ng cam v\u1edbi s\u00e1ch m\u1edf v\u00e0 b\u00fat l\u00f4ng ngh\u1ec7 thu\u1eadt\" class=\"wp-image-182152\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1.jpg 1080w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-169x300.jpg 169w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-149x265.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-864x1536.jpg 864w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-299x532.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-506x900.jpg 506w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-768x1365.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-225x400.jpg 225w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-599x1065.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-450x800.jpg 450w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-696x1237.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-1068x1898.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-204x363.jpg 204w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-96-1-409x727.jpg 409w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><figcaption class=\"wp-element-caption\">Background 20\/11 t\u00f4ng cam v\u1edbi s\u00e1ch m\u1edf v\u00e0 b\u00fat l\u00f4ng ngh\u1ec7 thu\u1eadt (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1920\" data-id=\"182153\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n ch\u00fac m\u1eebng 20\/11 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 c\u00e1c em h\u1ecdc sinh\" class=\"wp-image-182153\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1.jpg 1080w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-768x1365.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-506x900.jpg 506w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-169x300.jpg 169w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-149x265.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-864x1536.jpg 864w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-299x532.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-599x1065.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-450x800.jpg 450w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-225x400.jpg 225w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-696x1237.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-1068x1898.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-204x363.jpg 204w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-95-1-409x727.jpg 409w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n ch\u00fac m\u1eebng 20\/11 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 c\u00e1c em h\u1ecdc sinh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1920\" data-id=\"182154\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1.jpg\" alt=\"Minh h\u1ecda c\u00f4 gi\u00e1o nh\u1eadn hoa gi\u1eefa khung n\u1ec1n k\u1ebb d\u00f2ng pastel\" class=\"wp-image-182154\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1.jpg 1080w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-169x300.jpg 169w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-506x900.jpg 506w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-864x1536.jpg 864w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-768x1365.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-149x265.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-299x532.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-225x400.jpg 225w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-599x1065.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-450x800.jpg 450w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-696x1237.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-1068x1898.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-204x363.jpg 204w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-94-1-409x727.jpg 409w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><figcaption class=\"wp-element-caption\">Minh h\u1ecda c\u00f4 gi\u00e1o nh\u1eadn hoa gi\u1eefa khung n\u1ec1n k\u1ebb d\u00f2ng pastel (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1920\" data-id=\"182147\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-93.jpg\" alt=\"Background Teacher\u2019s Day v\u1edbi c\u00f4 gi\u00e1o v\u00e0 b\u00e9 t\u1eb7ng hoa\" class=\"wp-image-182147\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-93.jpg 1080w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-93-450x800.jpg 450w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-93-696x1237.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-93-1068x1898.jpg 1068w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><figcaption class=\"wp-element-caption\">Background Teacher\u2019s Day v\u1edbi c\u00f4 gi\u00e1o v\u00e0 b\u00e9 t\u1eb7ng hoa (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1920\" data-id=\"182155\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1.jpg\" alt=\"Tranh minh h\u1ecda h\u1ecdc sinh t\u1eb7ng hoa c\u00f4 gi\u00e1o trong ng\u00e0y 20\/11\" class=\"wp-image-182155\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1.jpg 1080w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-169x300.jpg 169w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-768x1365.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-864x1536.jpg 864w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-506x900.jpg 506w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-299x532.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-149x265.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-225x400.jpg 225w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-599x1065.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-450x800.jpg 450w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-696x1237.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-1068x1898.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-204x363.jpg 204w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-92-1-409x727.jpg 409w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><figcaption class=\"wp-element-caption\">Tranh minh h\u1ecda h\u1ecdc sinh t\u1eb7ng hoa c\u00f4 gi\u00e1o trong ng\u00e0y 20\/11 (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1920\" data-id=\"182156\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1.jpg\" alt=\"Ph\u00f4ng n\u1ec1n tri \u00e2n th\u1ea7y c\u00f4 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh t\u1eb7ng b\u00f3 hoa t\u01b0\u01a1i\" class=\"wp-image-182156\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1.jpg 1080w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-169x300.jpg 169w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-506x900.jpg 506w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-864x1536.jpg 864w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-768x1365.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-149x265.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-299x532.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-599x1065.jpg 599w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-225x400.jpg 225w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-450x800.jpg 450w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-696x1237.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-1068x1898.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-204x363.jpg 204w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-91-1-409x727.jpg 409w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><figcaption class=\"wp-element-caption\">Ph\u00f4ng n\u1ec1n tri \u00e2n th\u1ea7y c\u00f4 v\u1edbi c\u00f4 gi\u00e1o v\u00e0 h\u1ecdc sinh t\u1eb7ng b\u00f3 hoa t\u01b0\u01a1i (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>III. C\u00e1ch ch\u1ecdn background 20\/11 \u0111\u1eb9p v\u00e0 ph\u00f9 h\u1ee3p<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c background 20\/11 ph\u00f9 h\u1ee3p, b\u1ea1n n\u00ean c\u00e2n nh\u1eafc m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, kh\u00f4ng gian hi\u1ec3n th\u1ecb v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng h\u01b0\u1edbng \u0111\u1ebfn. M\u1ed9t thi\u1ebft k\u1ebf h\u00e0i h\u00f2a v\u1ec1 m\u00e0u s\u1eafc, h\u00ecnh \u1ea3nh v\u00e0 b\u1ed1 c\u1ee5c s\u1ebd gi\u00fap truy\u1ec1n t\u1ea3i tinh th\u1ea7n tri \u00e2n, \u0111\u1ed3ng th\u1eddi t\u1ea1o thi\u1ec7n c\u1ea3m v\u1edbi ng\u01b0\u1eddi xem. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ti\u00eau ch\u00ed b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100.jpg\" alt=\"Ti\u00eau ch\u00ed ch\u1ecdn background 20\/11 \u0111\u1eb9p v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng\" class=\"wp-image-182157\" title=\"\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-299x187.jpg 299w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-149x93.jpg 149w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-323x202.jpg 323w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-648x405.jpg 648w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-1067x667.jpg 1067w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-256x160.jpg 256w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-512x320.jpg 512w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-355x222.jpg 355w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-712x445.jpg 712w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-704x440.jpg 704w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-352x220.jpg 352w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-417x261.jpg 417w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-835x522.jpg 835w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-616x385.jpg 616w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-1232x770.jpg 1232w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/11\/background-20-11-dep-y-nghia-100-928x580.jpg 928w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><figcaption class=\"wp-element-caption\">Ti\u00eau ch\u00ed ch\u1ecdn background 20\/11 \u0111\u1eb9p v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>X\u00e1c \u0111\u1ecbnh m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng:<\/strong> V\u1edbi thi\u1ec7p ch\u00fac m\u1eebng v\u00e0 slide thuy\u1ebft tr\u00ecnh, n\u00ean ch\u1ecdn background c\u00f3 \u00edt h\u1ecda ti\u1ebft, ch\u1eeba kho\u1ea3ng tr\u1ed1ng \u0111\u1ec3 th\u00eam n\u1ed9i dung. Poster v\u00e0 banner c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00ecnh \u1ea3nh l\u1edbn, m\u00e0u s\u1eafc n\u1ed5i b\u1eadt, c\u00f2n backdrop s\u00e2n kh\u1ea5u c\u1ea7n b\u1ed1 c\u1ee5c c\u00e2n \u0111\u1ed1i v\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao.<\/li>\n\n\n\n<li><strong>Ch\u1ecdn m\u00e0u s\u1eafc h\u00e0i h\u00f2a:<\/strong> Nh\u1eefng gam m\u00e0u nh\u01b0 tr\u1eafng, v\u00e0ng nh\u1ea1t, h\u1ed3ng pastel, xanh d\u01b0\u01a1ng ho\u1eb7c xanh b\u1ea3ng \u0111en k\u1ebft h\u1ee3p \u0111\u1ecf, v\u00e0ng th\u01b0\u1eddng ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee7 \u0111\u1ec1 20\/11. N\u00ean h\u1ea1n ch\u1ebf ph\u1ed1i qu\u00e1 nhi\u1ec1u m\u00e0u \u0111\u1ec3 tr\u00e1nh khi\u1ebfn thi\u1ebft k\u1ebf tr\u1edf n\u00ean r\u1ed1i m\u1eaft.<\/li>\n\n\n\n<li><strong>\u01afu ti\u00ean h\u00ecnh \u1ea3nh mang \u00fd ngh\u0129a tri \u00e2n:<\/strong> Hoa h\u1ed3ng, hoa h\u01b0\u1edbng d\u01b0\u01a1ng, hoa sen, hoa ph\u01b0\u1ee3ng, b\u1ea3ng \u0111en, s\u00e1ch v\u1edf, b\u00fat vi\u1ebft v\u00e0 h\u00ecnh \u1ea3nh th\u1ea7y tr\u00f2 l\u00e0 nh\u1eefng bi\u1ec3u t\u01b0\u1ee3ng quen thu\u1ed9c trong ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam. C\u00e1c chi ti\u1ebft n\u00ean c\u00f3 \u0111\u1ed9 s\u1eafc n\u00e9t t\u1ed1t \u0111\u1ec3 gi\u1eef ch\u1ea5t l\u01b0\u1ee3ng khi hi\u1ec3n th\u1ecb ho\u1eb7c in \u1ea5n.<\/li>\n\n\n\n<li><strong>Ch\u00fa \u00fd b\u1ed1 c\u1ee5c v\u00e0 kho\u1ea3ng tr\u1ed1ng:<\/strong> Background n\u00ean c\u00f3 khu v\u1ef1c \u0111\u1ee7 r\u1ed9ng \u0111\u1ec3 ch\u00e8n l\u1eddi ch\u00fac, t\u00ean ch\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c th\u00f4ng \u0111i\u1ec7p tri \u00e2n. Tr\u00e1nh s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u h\u1ecda ti\u1ebft t\u1ea1i khu v\u1ef1c \u0111\u1eb7t ch\u1eef, khi\u1ebfn n\u1ed9i dung kh\u00f3 \u0111\u1ecdc v\u00e0 thi\u1ebfu n\u1ed5i b\u1eadt.<\/li>\n\n\n\n<li><strong>L\u1ef1a ch\u1ecdn \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 t\u1ef7 l\u1ec7 ph\u00f9 h\u1ee3p: <\/strong>N\u00ean \u01b0u ti\u00ean h\u00ecnh \u1ea3nh Full HD (1920 \u00d7 1080) tr\u1edf l\u00ean \u0111\u1ec3 h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng v\u1ee1 n\u00e9t. T\u1ef7 l\u1ec7 16:9 ph\u00f9 h\u1ee3p v\u1edbi slide v\u00e0 m\u00e0n h\u00ecnh s\u00e2n kh\u1ea5u, c\u00f2n 1:1 ho\u1eb7c 9:16 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho b\u00e0i \u0111\u0103ng m\u1ea1ng x\u00e3 h\u1ed9i.<\/li>\n\n\n\n<li><strong>C\u00e2n nh\u1eafc phong c\u00e1ch theo \u0111\u1ed1i t\u01b0\u1ee3ng:<\/strong> Nh\u1eefng m\u1eabu truy\u1ec1n th\u1ed1ng, trang tr\u1ecdng ph\u00f9 h\u1ee3p v\u1edbi l\u1ec5 k\u1ef7 ni\u1ec7m t\u1ea1i tr\u01b0\u1eddng h\u1ecdc. Background t\u1ed1i gi\u1ea3n mang l\u1ea1i c\u1ea3m gi\u00e1c chuy\u00ean nghi\u1ec7p, c\u00f2n h\u00ecnh minh h\u1ecda ho\u1ea1t h\u00ecnh s\u1ebd t\u1ea1o s\u1ef1 g\u1ea7n g\u0169i v\u1edbi h\u1ecdc sinh m\u1ea7m non v\u00e0 ti\u1ec3u h\u1ecdc.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra ch\u1ea5t li\u1ec7u v\u00e0 \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng: <\/strong>N\u1ebfu d\u00f9ng background \u0111\u1ec3 in backdrop, c\u1ea7n c\u00e2n nh\u1eafc ch\u1ea5t li\u1ec7u, k\u00edch th\u01b0\u1edbc v\u00e0 kho\u1ea3ng c\u00e1ch quan s\u00e1t. V\u1edbi thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt s\u1ed1, b\u1ea1n n\u00ean ki\u1ec3m tra kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb tr\u00ean \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh v\u00e0 c\u00e1c m\u00e0n h\u00ecnh tr\u00ecnh chi\u1ebfu.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>IV. T\u1ed5ng k\u1ebft<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ph\u00f4ng n\u1ec1n \u0111\u1eb9p kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf h\u00ecnh th\u1ee9c b\u1eaft m\u1eaft m\u00e0 c\u00f2n th\u1ec3 hi\u1ec7n s\u1ef1 ch\u1ec9n chu v\u00e0 t\u00ecnh c\u1ea3m c\u1ee7a ng\u01b0\u1eddi thi\u1ebft k\u1ebf d\u00e0nh cho th\u1ea7y c\u00f4. Hy v\u1ecdng nh\u1eefng g\u1ee3i \u00fd t\u1eeb Phong V\u0169 Tech News s\u1ebd gi\u00fap b\u1ea1n c\u00f3 th\u00eam c\u1ea3m h\u1ee9ng s\u00e1ng t\u1ea1o, ho\u00e0n thi\u1ec7n s\u1ea3n ph\u1ea9m mang d\u1ea5u \u1ea5n ri\u00eang v\u00e0 g\u1eedi trao nh\u1eefng l\u1eddi tri \u00e2n th\u1eadt \u00fd ngh\u0129a trong ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam 20\/11. \u0110\u1eebng qu\u00ean theo d\u00f5i Phong V\u0169 Tech News \u0111\u1ec3 c\u1eadp nh\u1eadt th\u00eam nhi\u1ec1u xu h\u01b0\u1edbng thi\u1ebft k\u1ebf, m\u1eb9o c\u00f4ng ngh\u1ec7 v\u00e0 th\u00f4ng tin h\u1eefu \u00edch m\u1ed7i ng\u00e0y nh\u00e9!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u00e0i vi\u1ebft li\u00ean quan:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/goi-y-qua-tang-20-11-y-nghia-cho-thay-co-giao\/\" target=\"_blank\" rel=\"noreferrer noopener\">G\u1ee3i \u00fd qu\u00e0 t\u1eb7ng 20\/11 \u00fd ngh\u0129a cho th\u1ea7y c\u00f4 gi\u00e1o<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/bao-tuong-20-11\/\" target=\"_blank\" rel=\"noreferrer noopener\">T\u1ed5ng h\u1ee3p 101+ m\u1eabu b\u00e1o t\u01b0\u1eddng 20\/11 \u0111o\u1ea1t gi\u1ea3i, \u0111\u1eb9p nh\u1ea5t<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/20-11-la-ngay-le-gi-giai-thich-y-nghia-ngay-20-11-ngan-gon\/\" target=\"_blank\" rel=\"noreferrer noopener\">20\/11 l\u00e0 ng\u00e0y l\u1ec5 g\u00ec? Gi\u1ea3i th\u00edch \u00fd ngh\u0129a ng\u00e0y 20\/11 ng\u1eafn g\u1ecdn<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Ng\u00e0y Nh\u00e0 gi\u00e1o Vi\u1ec7t Nam 20\/11\/2026 l\u00e0 d\u1ecbp \u0111\u1ec3 g\u1eedi g\u1eafm nh\u1eefng l\u1eddi ch\u00fac v\u00e0 t\u00ecnh c\u1ea3m tr\u00e2n tr\u1ecdng \u0111\u1ebfn th\u1ea7y c\u00f4 th\u00f4ng qua c\u00e1c s\u1ea3n ph\u1ea9m thi\u1ebft k\u1ebf gi\u00e0u \u00fd ngh\u0129a. M\u1ed9t background 20\/11 \u0111\u1eb9p, ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee7 \u0111\u1ec1 s\u1ebd g\u00f3p ph\u1ea7n t\u1ea1o \u0111i\u1ec3m nh\u1ea5n cho thi\u1ec7p ch\u00fac m\u1eebng, poster, slide thuy\u1ebft tr\u00ecnh, [&hellip;]<\/p>\n","protected":false},"author":40,"featured_media":182092,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[725,4513],"tags":[],"class_list":["post-181964","post","type-post","status-publish","format-standard","has-post-thumbnail","category-hinh-nen","category-trending"],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/181964","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/40"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=181964"}],"version-history":[{"count":5,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/181964\/revisions"}],"predecessor-version":[{"id":182166,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/181964\/revisions\/182166"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/182092"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=181964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=181964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=181964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}