{"id":66700,"date":"2024-04-29T08:32:59","date_gmt":"2024-04-29T01:32:59","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=66700"},"modified":"2024-04-29T08:32:59","modified_gmt":"2024-04-29T01:32:59","slug":"lo-trinh-hoc-html-css-cho-nguoi-moi-bat-dau","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/lo-trinh-hoc-html-css-cho-nguoi-moi-bat-dau\/","title":{"rendered":"H\u1ecdc HTML v\u00e0 CSS: L\u1ed9 tr\u00ecnh 18 b\u01b0\u1edbc chi ti\u1ebft cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-html-css-cho-nguoi-moi-bat-dau\/#Truoc_khi_hoc_HTML_va_CSS_Hieu_HTML_CSS_la_gi\" >Tr\u01b0\u1edbc khi h\u1ecdc HTML v\u00e0 CSS: Hi\u1ec3u HTML CSS l\u00e0 g\u00ec<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-html-css-cho-nguoi-moi-bat-dau\/#18_buoc_hoc_HTML_va_CSS_cho_nguoi_moi_bat_dau\" >18 b\u01b0\u1edbc h\u1ecdc HTML v\u00e0 CSS cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-html-css-cho-nguoi-moi-bat-dau\/#Tai_nguyen_hoc_HTML_va_CSS_huu_ich_cho_nguoi_moi_bat_dau\" >T\u00e0i nguy\u00ean h\u1ecdc HTML v\u00e0 CSS h\u1eefu \u00edch cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-html-css-cho-nguoi-moi-bat-dau\/#Cac_cau_hoi_thuong_gap_ve_hoc_HTML_va_CSS\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 h\u1ecdc HTML v\u00e0 CSS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-html-css-cho-nguoi-moi-bat-dau\/#Tong_ket\" >T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>HTML v\u00e0 CSS \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 nh\u1eefng ng\u00f4n ng\u1eef c\u1ed1t l\u00f5i trong x\u00e2y d\u1ef1ng v\u00e0 ph\u00e1t tri\u1ec3n website, b\u00ean c\u1ea1nh JavaScript. V\u1eady v\u1edbi m\u1ed9t ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, n\u00ean b\u1eaft \u0111\u1ea7u h\u1ecdc HTML v\u00e0 CSS nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 n\u1eafm b\u1eaft \u0111\u1ea7y \u0111\u1ee7, kh\u00f4ng b\u1ecf s\u00f3t b\u1ea5t k\u1ef3 ki\u1ebfn th\u1ee9c quan tr\u1ecdng n\u00e0o? T\u1ea5t c\u1ea3 li\u00ean quan \u0111\u1ebfn h\u1ecdc HTML c\u01a1 b\u1ea3n v\u00e0 CSS s\u1ebd \u0111\u01b0\u1ee3c ITviec h\u01b0\u1edbng d\u1eabn chi ti\u1ebft trong b\u00e0i vi\u1ebft n\u00e0y.<\/strong><\/em><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vai tr\u00f2 c\u1ee7a HTML v\u00e0 CSS trong l\u1eadp tr\u00ecnh web<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1ed9 tr\u00ecnh h\u1ecdc HMTL v\u00e0 CSS trong 18 b\u01b0\u1edbc cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00e0i nguy\u00ean h\u1ecdc HTML v\u00e0 CSS<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u1ea3i \u0111\u00e1p c\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p khi h\u1ecdc HTML v\u00e0 CSS<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Truoc_khi_hoc_HTML_va_CSS_Hieu_HTML_CSS_la_gi\"><\/span><b>Tr\u01b0\u1edbc khi h\u1ecdc HTML v\u00e0 CSS: Hi\u1ec3u HTML CSS l\u00e0 g\u00ec<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>HTML l\u00e0 g\u00ec? Vai tr\u00f2 c\u1ee7a HTML trong l\u1eadp tr\u00ecnh web<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">HTML (HyperText Markup Language) l\u00e0 ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n, mang t\u00ednh n\u1ec1n t\u1ea3ng \u0111\u1ec3 t\u1ea1o v\u00e0 c\u1ea5u tr\u00fac c\u00e1c trang web. HTML s\u1eed d\u1ee5ng c\u00e1c th\u1ebb v\u00e0 ph\u1ea7n t\u1eed \u0111\u00e1nh d\u1ea5u \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac, n\u1ed9i dung v\u00e0 \u0111\u1ecbnh d\u1ea1ng c\u1ee7a trang web.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong l\u1eadp trong web, HTML c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00edch h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nh\u01b0 JavaScript, CSS, media player,&#8230; gi\u00fap trang web tr\u1edf n\u00ean sinh \u0111\u1ed9ng v\u00e0 mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m t\u1ed1t h\u01a1n cho ng\u01b0\u1eddi d\u00f9ng.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac trang web: C\u00e1c th\u1ebb HTML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n chia n\u1ed9i dung th\u00e0nh c\u00e1c ph\u1ea7n kh\u00e1c nhau nh\u01b0 heading, paragraph, list, table, image, video,&#8230; Nh\u1edd v\u1eady, tr\u00ecnh duy\u1ec7t web c\u00f3 th\u1ec3 hi\u1ec3u v\u00e0 hi\u1ec3n th\u1ecb n\u1ed9i dung m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ecbnh d\u1ea1ng n\u1ed9i dung: C\u00e1c th\u1ebb gi\u00fap \u0111\u1ecbnh d\u1ea1ng n\u1ed9i dung trang web nh\u01b0 font ch\u1eef, m\u00e0u s\u1eafc, k\u00edch th\u01b0\u1edbc, ki\u1ec3u ch\u1eef,&#8230; t\u1eeb \u0111\u00f3 l\u00e0m cho trang web tr\u1edf n\u00ean \u0111\u1eb9p m\u1eaft v\u00e0 d\u1ec5 \u0111\u1ecdc h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea1o li\u00ean k\u1ebft: V\u1edbi HTML, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o li\u00ean k\u1ebft gi\u1eefa c\u00e1c trang web kh\u00e1c nhau th\u00f4ng qua th\u1ebb. Nh\u1edd v\u1eady, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng di chuy\u1ec3n v\u00e0 truy c\u1eadp th\u00f4ng tin tr\u00ean website.<\/span><\/li>\n<\/ul>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/html-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Gi\u1ea3i \u0111\u00e1p \u201ct\u1ea5t t\u1ea7n t\u1eadt\u201d nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 HTML<\/strong><\/a><\/em><\/p><\/blockquote>\n<h3><b>CSS l\u00e0 g\u00ec? Vai tr\u00f2 c\u1ee7a CSS trong l\u1eadp tr\u00ecnh web<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">CSS (Cascading Style Sheets) l\u00e0 ng\u00f4n ng\u1eef bi\u1ec3u \u0111\u1ecbnh ki\u1ec3u, t\u1ee9c l\u00e0 \u0111\u1ecbnh d\u1ea1ng v\u00e0 trang tr\u00ed cho trang web nh\u01b0 \u0111i\u1ec1u ch\u1ec9nh m\u00e0u s\u1eafc, font ch\u1eef, kho\u1ea3ng c\u00e1ch, b\u1ed1 c\u1ee5c, hi\u1ec7u \u1ee9ng h\u00ecnh \u1ea3nh,&#8230; CSS gi\u00fap trang web tr\u1edf n\u00ean \u0111\u1eb9p m\u1eaft v\u00e0 thu h\u00fat h\u01a1n v\u1edbi ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong l\u1eadp tr\u00ecnh web, CSS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o HTML theo 3 c\u00e1ch CSS n\u1ed9i tuy\u1ebfn (Inline CSS), CSS n\u1ed9i b\u1ed9 (Internal CSS) v\u00e0 CSS b\u00ean ngo\u00e0i (External CSS). M\u1ed7i c\u00e1ch th\u00eam CSS \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n kh\u00e1c nhau nh\u01b0ng \u0111\u1ec1u \u0111\u1ea3m b\u1ea3o th\u1ef1c hi\u1ec7n c\u00e1c vai tr\u00f2: \u0110\u1ecbnh d\u1ea1ng v\u00e0 tr\u00ecnh b\u00e0y trang web, t\u0103ng kh\u1ea3 n\u0103ng truy c\u1eadp c\u1ee7a website.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ecbnh d\u1ea1ng v\u00e0 tr\u00ecnh b\u00e0y: CSS cho ph\u00e9p nh\u00e0 ph\u00e1t tri\u1ec3n web ki\u1ec3m so\u00e1t di\u1ec7n m\u1ea1o c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed HTML nh\u01b0 font ch\u1eef, k\u00edch th\u01b0\u1edbc, m\u00e0u s\u1eafc v\u00e0 v\u1ecb tr\u00ed. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng CSS, l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c hi\u1ec7u \u1ee9ng tr\u1ef1c quan, b\u1ed1 c\u1ee5c ph\u1ee9c t\u1ea1p v\u00e0 giao di\u1ec7n t\u00f9y ch\u1ec9nh cho trang web.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u0103ng kh\u1ea3 n\u0103ng truy c\u1eadp: C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng CSS \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng truy c\u1eadp c\u1ee7a trang web cho ng\u01b0\u1eddi d\u00f9ng c\u00f3 khi\u1ebfm khuy\u1ebft v\u1ec1 th\u1ecb gi\u00e1c ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 kh\u1ea3 n\u0103ng v\u1eadn \u0111\u1ed9ng.<\/span><\/span><br \/>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <\/em><strong><a href=\"https:\/\/itviec.com\/blog\/css-la-gi\/\" target=\"_blank\" rel=\"noopener\"><em>CSS l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 CSS \u0111\u1ec3 thi\u1ebft k\u1ebf web<\/em><\/a><\/strong><\/p><\/blockquote>\n<\/li>\n<\/ul>\n<h3><b>M\u1ed1i quan h\u1ec7 gi\u1eefa HTML v\u00e0 CSS trong l\u1eadp tr\u00ecnh web<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">HTML v\u00e0 CSS c\u00f3 m\u1ed1i quan h\u1ec7 t\u01b0\u01a1ng h\u1ed7 \u0111\u1ec3 x\u00e2y d\u1ef1ng v\u00e0 ph\u00e1t tri\u1ec3n trang web h\u1ea5p d\u1eabn v\u1ec1 m\u1eb7t h\u00ecnh \u1ea3nh v\u00e0 ch\u1ee9c n\u0103ng. HTML \u0111\u00f3ng vai tr\u00f2 l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a n\u1ed9i dung web. N\u1eafm b\u1eaft c\u00fa ph\u00e1p HTML s\u1ebd gi\u00fap l\u1eadp tr\u00ecnh vi\u00ean t\u1ea1o ra c\u00e1c t\u00e0i li\u1ec7u web c\u00f3 ng\u1eef ngh\u0129a v\u00e0 \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c t\u1ed1t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong khi \u0111\u00f3, CSS ch\u1ecbu tr\u00e1ch nhi\u1ec7m t\u1ea1o ki\u1ec3u cho c\u00e1c ph\u1ea7n t\u1eed HTML v\u00e0 chuy\u1ec3n \u0111\u1ed5i nh\u1eefng t\u00e0i li\u1ec7u \u0111\u01a1n gi\u1ea3n th\u00e0nh m\u1ed9t trang web c\u00f3 t\u00ednh th\u1ea9m m\u1ef9. B\u1eb1ng c\u00e1ch n\u1eafm v\u1eefng c\u00fa ph\u00e1p v\u00e0 b\u1ed9 ch\u1ecdn CSS, l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t ki\u1ec3u ch\u1eef, m\u00e0u s\u1eafc, kho\u1ea3ng c\u00e1ch v\u00e0 b\u1ed1 c\u1ee5c, t\u1eeb \u0111\u00f3 n\u00e2ng cao tr\u1ea3i nghi\u1ec7m t\u1ed5ng th\u1ec3 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"18_buoc_hoc_HTML_va_CSS_cho_nguoi_moi_bat_dau\"><\/span><b>18 b\u01b0\u1edbc h\u1ecdc HTML v\u00e0 CSS cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>B\u01b0\u1edbc 1: H\u1ecdc HTML c\u01a1 b\u1ea3n<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">HTML l\u00e0 ng\u00f4n ng\u1eef \u0111\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n n\u1eafm v\u1eefng khi mu\u1ed1n tr\u1edf th\u00e0nh nh\u00e0 ph\u00e1t tri\u1ec3n web. \u1ede b\u01b0\u1edbc h\u1ecdc HTML c\u01a1 b\u1ea3n n\u00e0y, b\u1ea1n c\u1ea7n n\u1eafm v\u1eefng c\u00fa ph\u00e1p v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a HTML.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p HTML g\u1ed3m c\u00e1c ph\u1ea7n: Th\u1ebb (tag), thu\u1ed9c t\u00ednh (attribute) v\u00e0 gi\u00e1 tr\u1ecb (value).<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Th\u1ebb<\/strong> l\u00e0 \u0111\u01a1n v\u1ecb c\u01a1 b\u1ea3n, \u0111\u01b0\u1ee3c bao quanh b\u1edfi d\u1ea5u ngo\u1eb7c g\u00f3c &lt;&#8230;&gt;. V\u00ed d\u1ee5: &lt;h1&gt;&lt;\/h1&gt;, &lt;p&gt;&lt;\/p&gt;, &lt;img\/&gt;.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Thu\u1ed9c t\u00ednh<\/strong> cung c\u1ea5p th\u00eam th\u00f4ng tin cho th\u1ebb. V\u00ed d\u1ee5: src=&#8221;image.jpg&#8221; trong th\u1ebb &lt;img&gt; \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 h\u00ecnh \u1ea3nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Gi\u00e1 tr\u1ecb<\/strong> l\u00e0 n\u1ed9i dung c\u1ee7a thu\u1ed9c t\u00ednh. V\u00ed d\u1ee5: &#8220;image.jpg&#8221; l\u00e0 gi\u00e1 tr\u1ecb c\u1ee7a thu\u1ed9c t\u00ednh src.<\/span><\/li>\n<\/ul>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/cac-the-trong-html\/\" target=\"_blank\" rel=\"noopener\"><strong>T\u1ed5ng h\u1ee3p 70+ c\u00e1c th\u1ebb trong HTML th\u00f4ng d\u1ee5ng<\/strong><\/a><\/em><\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac c\u1ee7a t\u00e0i li\u1ec7u HTML g\u1ed3m c\u00e1c ph\u1ea7n: Document HTML, head, body.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>&lt;!DOCTYPE html&gt;<\/strong> nh\u1eb1m khai b\u00e1o lo\u1ea1i t\u00e0i li\u1ec7u cho tr\u00ecnh duy\u1ec7t web.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Head<\/strong> ch\u1ee9a nh\u1eefng n\u1ed9i dung kh\u00f4ng tr\u1ef1c ti\u1ebfp hi\u1ec3n th\u1ecb tr\u00ean trang web nh\u01b0 ti\u00eau \u0111\u1ec1, charset,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Body<\/strong> ch\u1ee9a n\u1ed9i dung ch\u00ednh nh\u01b0 v\u0103n b\u1ea3n, h\u00ecnh \u1ea3nh, video,&#8230;<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 2: T\u00ecm hi\u1ec3u c\u00e1c ph\u1ea7n t\u1eed v\u00e0 thu\u1ed9c t\u00ednh HTML c\u01a1 b\u1ea3n<\/b><\/h3>\n<p><strong>Ph\u1ea7n t\u1eed HTML <\/strong>l\u00e0<span style=\"font-weight: 400;\"> nh\u1eefng kh\u1ed1i x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n c\u1ee7a trang web. M\u1ed7i ph\u1ea7n t\u1eed c\u00f3 m\u1ed9t ch\u1ee9c n\u0103ng ri\u00eang, v\u00ed d\u1ee5 trong c\u1ea5u tr\u00fac trang d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">&lt;html&gt;<\/span>\r\n<span style=\"font-weight: 400;\">&lt;head&gt;<\/span>\r\n\r\n<span style=\"font-weight: 400;\">&lt;!-- Th\u00f4ng tin trong head --&gt;<\/span>\r\n\r\n<span style=\"font-weight: 400;\">&lt;\/head&gt;<\/span>\r\n\r\n<span style=\"font-weight: 400;\">&lt;body&gt;<\/span>\r\n<span style=\"font-weight: 400;\">&lt;!-- N\u1ed9i dung hi\u1ec3n th\u1ecb tr\u00ean tr\u00ecnh duy\u1ec7t --&gt;<\/span>\r\n<span style=\"font-weight: 400;\">&lt;\/body&gt;<\/span>\r\n\r\n<span style=\"font-weight: 400;\">&lt;\/html&gt;<\/span><\/pre>\n<p>C\u00e1c ph\u1ea7n t\u1eed trong \u0111\u00f3 g\u1ed3m:<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ti\u00eau \u0111\u1ec1: &lt;h1&gt;, &lt;h2&gt;, &lt;h3&gt;, &lt;h4&gt;, &lt;h5&gt;, &lt;h6&gt;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110o\u1ea1n v\u0103n: &lt;p&gt;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Li\u00ean k\u1ebft: &lt;a&gt;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u00ecnh \u1ea3nh: &lt;img&gt;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Danh s\u00e1ch: &lt;ul&gt;, &lt;ol&gt;, &lt;li&gt;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3ng: &lt;table&gt;, &lt;tr&gt;, &lt;td&gt;<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\"><strong>Thu\u1ed9c t\u00ednh HTML<\/strong> l\u00e0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m b\u1ed5 sung cho ph\u1ea7n t\u1eed, cung c\u1ea5p th\u00eam th\u00f4ng tin v\u00e0 \u0111\u1ecbnh d\u1ea1ng cho ph\u1ea7n t\u1eed. V\u00ed d\u1ee5:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thu\u1ed9c t\u00ednh href trong th\u1ebb &lt;a&gt; d\u00f9ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh li\u00ean k\u1ebft \u0111\u1ebfn trang web n\u00e0o.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thu\u1ed9c t\u00ednh src trong th\u1ebb &lt;img&gt; d\u00f9ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a h\u00ecnh \u1ea3nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thu\u1ed9c t\u00ednh alt trong th\u1ebb &lt;img&gt; d\u00f9ng \u0111\u1ec3 cung c\u1ea5p m\u00f4 t\u1ea3 thay th\u1ebf cho h\u00ecnh \u1ea3nh, h\u1eefu \u00edch cho ng\u01b0\u1eddi d\u00f9ng khi kh\u00f4ng th\u1ec3 hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thu\u1ed9c t\u00ednh class th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 g\u00e1n m\u1ed9t ho\u1eb7c nhi\u1ec1u l\u1edbp cho m\u1ed9t ph\u1ea7n t\u1eed HTML.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thu\u1ed9c t\u00ednh id \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 g\u00e1n m\u1ed9t \u0111\u1ecbnh danh duy nh\u1ea5t cho m\u1ed9t ph\u1ea7n t\u1eed HTML.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn <strong>DOM (Document Object Model)<\/strong> &#8211; M\u1ed9t m\u00f4 h\u00ecnh l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c W3C (World Wide Web Consortium) \u0111\u1ecbnh ngh\u0129a \u0111\u1ec3 truy c\u1eadp v\u00e0 thao t\u00e1c v\u1edbi n\u1ed9i dung, c\u1ea5u tr\u00fac v\u00e0 ki\u1ec3u d\u00e1ng c\u1ee7a trang web. N\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t giao di\u1ec7n trung gian gi\u1eefa JavaScript v\u00e0 HTML\/CSS, cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n t\u1ea1o ra c\u00e1c trang web mang l\u1ea1i t\u01b0\u01a1ng t\u00e1c t\u1ed1t.<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 3: Kh\u00e1m ph\u00e1 bi\u1ec3u m\u1eabu v\u00e0 b\u1ea3ng HTML c\u01a1 b\u1ea3n<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">B\u01b0\u1edbc th\u1ee9 ba trong h\u00e0nh tr\u00ecnh h\u1ecdc HTML c\u01a1 b\u1ea3n ch\u00ednh l\u00e0 t\u00ecm hi\u1ec3u hai c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu l\u00e0 bi\u1ec3u m\u1eabu v\u00e0 b\u1ea3ng.<\/span><\/p>\n<p><b>Bi\u1ec3u m\u1eabu HTML<\/b><span style=\"font-weight: 400;\"> cho ph\u00e9p b\u1ea1n thu th\u1eadp th\u00f4ng tin t\u1eeb ng\u01b0\u1eddi d\u00f9ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c tr\u01b0\u1eddng nh\u1eadp li\u1ec7u cho v\u0103n b\u1ea3n, radio, checkbox, menu,&#8230;. b\u1eb1ng th\u1ebb &lt;input&gt;. Th\u1ebb &lt;form&gt; \u0111\u00f3ng vai tr\u00f2 nh\u01b0 khung bao quanh cho bi\u1ec3u m\u1eabu c\u1ee7a b\u1ea1n, v\u00e0 thu\u1ed9c t\u00ednh action gi\u00fap x\u00e1c \u0111\u1ecbnh n\u01a1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn sau khi submit.<\/span><\/p>\n<p><b>B\u1ea3ng HTML<\/b><span style=\"font-weight: 400;\"> l\u00e0 c\u00f4ng c\u1ee5 tuy\u1ec7t v\u1eddi \u0111\u1ec3 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch tr\u1ef1c quan v\u00e0 d\u1ec5 hi\u1ec3u. S\u1eed d\u1ee5ng th\u1ebb &lt;table&gt; \u0111\u1ec3 t\u1ea1o khung cho b\u1ea3ng, sau \u0111\u00f3 th\u00eam c\u00e1c h\u00e0ng, c\u1ed9t v\u00e0 \u00f4 b\u1eb1ng th\u1ebb &lt;tr&gt;, &lt;td&gt; v\u00e0 &lt;th&gt;. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh v\u00e0 CSS \u0111\u1ec3 \u0111\u1ecbnh d\u1ea1ng b\u1ea3ng theo \u00fd mu\u1ed1n.<\/span><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/table-html\/\" target=\"_blank\" rel=\"noopener\"><strong>Table HTML: H\u01b0\u1edbng d\u1eabn c\u00e1ch t\u1ea1o b\u1ea3ng trong HTML chi ti\u1ebft t\u1eeb A \u2013 Z<\/strong><\/a><\/em><\/p><\/blockquote>\n<h3><b>B\u01b0\u1edbc 4: Semantic HTML<\/b><\/h3>\n<p><b>Semantic HTML<\/b><span style=\"font-weight: 400;\"> cung c\u1ea5p c\u00e1c th\u1ebb ng\u1eef ngh\u0129a \u0111\u1ec3 m\u00f4 t\u1ea3 r\u00f5 r\u00e0ng m\u1ee5c \u0111\u00edch c\u1ee7a t\u1eebng ph\u1ea7n n\u1ed9i dung tr\u00ean trang web.<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, thay v\u00ec s\u1eed d\u1ee5ng th\u1ebb &lt;div&gt; chung chung, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u1ebb &lt;header&gt; cho ph\u1ea7n \u0111\u1ea7u trang, &lt;main&gt; cho n\u1ed9i dung ch\u00ednh, &lt;section&gt; cho c\u00e1c ph\u1ea7n ri\u00eang bi\u1ec7t v\u00e0 &lt;footer&gt; cho ph\u1ea7n ch\u00e2n trang.<\/span><\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">Hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c Semantic HTML s\u1ebd gi\u00fap trang web \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch nh\u01b0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng truy c\u1eadp ng\u01b0\u1eddi d\u00f9ng, t\u0103ng kh\u1ea3 n\u0103ng SEO, gi\u00fap code d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o tr\u00ec nh\u1edd c\u1ea5u tr\u00fac trang web \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c r\u00f5 r\u00e0ng.<\/span><\/p>\n<h3><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-67649 size-full\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Semantic-HTML-update-vippro.png\" alt=\"h\u1ecdc html css - itviec blog\" width=\"1990\" height=\"1799\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Semantic-HTML-update-vippro.png 1990w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Semantic-HTML-update-vippro-300x271.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Semantic-HTML-update-vippro-1327x1200.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Semantic-HTML-update-vippro-200x181.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Semantic-HTML-update-vippro-100x90.png 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Semantic-HTML-update-vippro-498x450.png 498w\" sizes=\"auto, (max-width: 1990px) 100vw, 1990px\" \/><b>B\u01b0\u1edbc 5: Kh\u00e1i ni\u1ec7m HTML n\u00e2ng cao<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Sau khi \u0111\u00e3 ho\u00e0n th\u00e0nh h\u1ecdc HTML c\u01a1 b\u1ea3n, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 h\u1ecdc HTML n\u00e2ng cao. HTML n\u00e2ng cao l\u00e0 t\u1eadp h\u1ee3p c\u00e1c k\u1ef9 thu\u1eadt v\u00e0 thu\u1ed9c t\u00ednh HTML gi\u00fap b\u1ea1n t\u1ea1o ra c\u00e1c trang web ph\u1ee9c t\u1ea1p v\u00e0 c\u00f3 t\u00ednh t\u01b0\u01a1ng t\u00e1c cao h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 ch\u1ee7 \u0111\u1ec1 ph\u1ed5 bi\u1ebfn trong HTML n\u00e2ng cao m\u00e0 b\u1ea1n n\u00ean t\u00ecm hi\u1ec3u nh\u01b0 <strong>Web Forms, Media Embedding, Accessibility, Microdata, Server-side Scripting, APIs, Custom Elements, Progressive Web Apps (PWAs)<\/strong>.<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 6: L\u00e0m vi\u1ec7c v\u1edbi n\u1ed9i dung \u0111a ph\u01b0\u01a1ng ti\u1ec7n<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">N\u1ed9i dung \u0111a ph\u01b0\u01a1ng ti\u1ec7n nh\u01b0 h\u00ecnh \u1ea3nh, video, audio gi\u00fap trang web tr\u1edf n\u00ean sinh \u0111\u1ed9ng v\u00e0 thu h\u00fat ng\u01b0\u1eddi d\u00f9ng h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 h\u1ecdc c\u00e1ch l\u00e0m vi\u1ec7c v\u1edbi n\u1ed9i dung n\u00e0y b\u1eb1ng iframe gi\u00fap m\u1edf r\u1ed9ng ch\u1ee9c n\u0103ng c\u1ee7a trang web.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Nh\u00fang h\u00ecnh \u1ea3nh b\u1eb1ng th\u1ebb &lt;img&gt;<\/strong> v\u1edbi c\u00e1c \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh ph\u1ed5 bi\u1ebfn (JPEG, PNG, GIF, SVG).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Nh\u00fang video b\u1eb1ng th\u1ebb &lt;video&gt;<\/strong> v\u1edbi c\u00e1c \u0111\u1ecbnh d\u1ea1ng video ph\u1ed5 bi\u1ebfn (MP4, MOV, AVI, WMV).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Nh\u00fang \u00e2m thanh b\u1eb1ng th\u1ebb &lt;audio&gt;<\/strong> v\u1edbi c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u00e2m thanh ph\u1ed5 bi\u1ebfn (MP3, WAV, OGG).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Nh\u00fang n\u1ed9i dung t\u1eeb trang web kh\u00e1c b\u1eb1ng th\u1ebb &lt;iframe&gt;<\/strong>.<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 7: T\u00ecm hi\u1ec3u ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 CSS<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">CSS s\u1eed d\u1ee5ng c\u00fa ph\u00e1p \u0111\u01a1n gi\u1ea3n bao g\u1ed3m b\u1ed9 ch\u1ecdn (selector) x\u00e1c \u0111\u1ecbnh ph\u1ea7n t\u1eed HTML m\u00e0 b\u1ea1n mu\u1ed1n \u0111\u1ecbnh d\u1ea1ng v\u00e0 thu\u1ed9c t\u00ednh (property) quy \u0111\u1ecbnh c\u00e1c ki\u1ec3u \u0111\u1ecbnh d\u1ea1ng cho ph\u1ea7n t\u1eed \u0111\u00f3 nh\u01b0 <\/span><b>m\u00e0u s\u1eafc (<\/b><span style=\"font-weight: 400;\">color), <\/span><b>c\u1ee1 ch\u1eef<\/b><span style=\"font-weight: 400;\"> (font-size), <\/span><b>n\u1ec1n<\/b><span style=\"font-weight: 400;\"> (background-color), <\/span><b>b\u1ed1 c\u1ee5c (<\/b><span style=\"font-weight: 400;\">margin, padding, display).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f3 ba ph\u01b0\u01a1ng ph\u00e1p li\u00ean k\u1ebft CSS v\u1edbi HTML: <\/span><span style=\"font-weight: 400;\">CSS n\u1ed9i tuy\u1ebfn (Inline CSS), CSS n\u1ed9i b\u1ed9 (Internal CSS) v\u00e0 CSS b\u00ean ngo\u00e0i (External CSS).<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 8: T\u00ecm hi\u1ec3u v\u1ec1 BEM<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">BEM, vi\u1ebft t\u1eaft c\u1ee7a &#8220;Block, Element, Modifier&#8221;, l\u00e0 m\u1ed9t quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean trong l\u1eadp tr\u00ecnh web \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 t\u1ed5 ch\u1ee9c CSS c\u1ee7a m\u1ed9t d\u1ef1 \u00e1n m\u1ed9t c\u00e1ch c\u00f3 t\u1ed5 ch\u1ee9c. Theo quy \u01b0\u1edbc n\u00e0y, m\u1ed7i ph\u1ea7n t\u1eed tr\u00ean trang web \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh ba ph\u1ea7n ch\u00ednh: block (kh\u1ed1i), element (ph\u1ea7n t\u1eed) v\u00e0 modifier (b\u1ed5 sung).\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">BEM gi\u00fap t\u1ea1o ra m\u00e3 ngu\u1ed3n d\u1ec5 hi\u1ec3u, d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 linh ho\u1ea1t h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c d\u1ef1 \u00e1n l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p. N\u00f3 c\u0169ng gi\u00fap tr\u00e1nh xung \u0111\u1ed9t v\u00e0 tr\u00f9ng l\u1eb7p trong CSS, t\u1ea1o ra m\u00e3 ngu\u1ed3n s\u1ea1ch v\u00e0 d\u1ec5 t\u00e1i s\u1eed d\u1ee5ng.<\/span><\/p>\n<figure id=\"attachment_66702\" aria-describedby=\"caption-attachment-66702\" style=\"width: 952px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-66702 size-full\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/BEM-html-vippro.png\" alt=\"h\u1ecdc html v\u00e0 css\" width=\"952\" height=\"508\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/BEM-html-vippro.png 952w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/BEM-html-vippro-300x160.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/BEM-html-vippro-700x374.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/BEM-html-vippro-200x107.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/BEM-html-vippro-100x53.png 100w\" sizes=\"auto, (max-width: 952px) 100vw, 952px\" \/><figcaption id=\"caption-attachment-66702\" class=\"wp-caption-text\">Ngu\u1ed3n @sourcedcode.com<\/figcaption><\/figure>\n<h3><b>B\u01b0\u1edbc 9: T\u00ecm hi\u1ec3u v\u1ec1 CSS Framework<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">CSS Framework l\u00e0 m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5, th\u01b0 vi\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n giao di\u1ec7n web b\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng s\u1eb5n c\u00f3 cho CSS nh\u01b0 c\u00e1c thi\u1ebft k\u1ebf c\u01a1 b\u1ea3n, l\u01b0\u1edbi, th\u00e0nh ph\u1ea7n UI v\u00e0 c\u00e1c stylesheet ti\u00eau chu\u1ea9n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 framework n\u1ed5i b\u1eadt bao g\u1ed3m <strong>Bootstrap, Foundation, Bulma, Materialize<\/strong> v\u00e0 <strong>Semantic UI<\/strong>. Nh\u1eefng framework n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00e0 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c xu h\u01b0\u1edbng v\u00e0 y\u00eau c\u1ea7u m\u1edbi c\u1ee7a thi\u1ebft k\u1ebf web.<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 10: H\u1ecdc v\u1ec1 b\u1ed9 ch\u1ecdn v\u00e0 m\u00f4 h\u00ecnh h\u1ed9p trong CSS<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i b\u1ed9 ch\u1ecdn v\u00e0 m\u00f4 h\u00ecnh h\u1ed9p CSS gi\u00fap b\u1ea1n \u0111\u1ecbnh d\u1ea1ng ch\u00ednh x\u00e1c c\u00e1c ph\u1ea7n t\u1eed HTML tr\u00ean trang web, t\u1ea1o b\u1ed1 c\u1ee5c trang web \u0111\u1eb9p m\u1eaft v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\"> B\u1ed9 ch\u1ecdn CSS cho ph\u00e9p b\u1ea1n x\u00e1c \u0111\u1ecbnh c\u00e1c ph\u1ea7n t\u1eed HTML m\u00e0 b\u1ea1n mu\u1ed1n \u0111\u1ecbnh d\u1ea1ng.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f3 ba lo\u1ea1i b\u1ed9 ch\u1ecdn CSS \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ed9 ch\u1ecdn ph\u1ea7n t\u1eed:<\/b><span style=\"font-weight: 400;\"> Ch\u1ecdn c\u00e1c ph\u1ea7n t\u1eed HTML d\u1ef1a tr\u00ean t\u00ean th\u1ebb c\u1ee7a ch\u00fang. V\u00ed d\u1ee5: h1, p<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ed9 ch\u1ecdn l\u1edbp:<\/b><span style=\"font-weight: 400;\"> Ch\u1ecdn c\u00e1c ph\u1ea7n t\u1eed HTML c\u00f3 l\u1edbp c\u1ee5 th\u1ec3. V\u00ed d\u1ee5: .button<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ed9 ch\u1ecdn ID:<\/b><span style=\"font-weight: 400;\"> Ch\u1ecdn ph\u1ea7n t\u1eed HTML c\u00f3 ID duy nh\u1ea5t. V\u00ed d\u1ee5: #header<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_66795\" aria-describedby=\"caption-attachment-66795\" style=\"width: 1920px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-66795 size-full\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-selector-vippro.png\" alt=\"h\u1ecdc html v\u00e0 css\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-selector-vippro.png 1920w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-selector-vippro-300x169.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-selector-vippro-1600x900.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-selector-vippro-200x113.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-selector-vippro-100x56.png 100w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><figcaption id=\"caption-attachment-66795\" class=\"wp-caption-text\">V\u00ed d\u1ee5 v\u1ec1 c\u00e1c b\u1ed9 ch\u1ecdn CSS @kevinyank<\/figcaption><\/figure>\n<p>M\u00f4 h\u00ecnh h\u1ed9p CSS \u0111\u1ecbnh ngh\u0129a c\u00e1ch c\u00e1c ph\u1ea7n t\u1eed HTML \u0111\u01b0\u1ee3c b\u1ed1 c\u1ee5c tr\u00ean trang web. M\u1ed7i ph\u1ea7n t\u1eed HTML \u0111\u01b0\u1ee3c chia th\u00e0nh b\u1ed1n ph\u1ea7n:<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>N\u1ed9i dung (content):<\/b><span style=\"font-weight: 400;\"> V\u00f9ng ch\u1ee9a n\u1ed9i dung th\u1ef1c t\u1ebf c\u1ee7a ph\u1ea7n t\u1eed, nh\u01b0 v\u0103n b\u1ea3n ho\u1eb7c h\u00ecnh \u1ea3nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u1ea7n \u0111\u1ec7m (padding):<\/b><span style=\"font-weight: 400;\"> Kho\u1ea3ng tr\u1ed1ng gi\u1eefa n\u1ed9i dung v\u00e0 vi\u1ec1n c\u1ee7a ph\u1ea7n t\u1eed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u01b0\u1eddng vi\u1ec1n (bolder):<\/b><span style=\"font-weight: 400;\"> \u0110\u01b0\u1eddng bao quanh ph\u1ea7n t\u1eed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u1ec1 (margin):<\/b><span style=\"font-weight: 400;\"> Kho\u1ea3ng tr\u1ed1ng gi\u1eefa ph\u1ea7n t\u1eed v\u00e0 c\u00e1c ph\u1ea7n t\u1eed kh\u00e1c.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_66704\" aria-describedby=\"caption-attachment-66704\" style=\"width: 544px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-66704 size-full\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/box-model-html-vippro.png\" alt=\"h\u1ecdc html v\u00e0 css\" width=\"544\" height=\"300\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/box-model-html-vippro.png 544w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/box-model-html-vippro-300x165.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/box-model-html-vippro-200x110.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/box-model-html-vippro-100x55.png 100w\" sizes=\"auto, (max-width: 544px) 100vw, 544px\" \/><figcaption id=\"caption-attachment-66704\" class=\"wp-caption-text\">Ngu\u1ed3n @developer.mozilla<\/figcaption><\/figure>\n<h3><b>B\u01b0\u1edbc 11: T\u00ecm hi\u1ec3u v\u1ec1 b\u1ed1 c\u1ee5c trang web<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh b\u1ed1 c\u1ee5c trang web v\u1edbi CSS. B\u1ed1 c\u1ee5c m\u1ed7i trang web th\u01b0\u1eddng c\u00f3 c\u00e1c ph\u1ea7n: Ti\u00eau \u0111\u1ec1 (Header), thanh \u0111i\u1ec1u h\u01b0\u1edbng (navigation bar), n\u1ed9i dung (content), ch\u00e2n trang (footer).<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Ti\u00eau \u0111\u1ec1 (Header)<\/strong> th\u01b0\u1eddng n\u1eb1m \u1edf \u0111\u1ea7u trang web (ho\u1eb7c ngay b\u00ean d\u01b0\u1edbi menu \u0111i\u1ec1u h\u01b0\u1edbng tr\u00ean c\u00f9ng). N\u00f3 th\u01b0\u1eddng ch\u1ee9a logo ho\u1eb7c t\u00ean trang web.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Thanh \u0111i\u1ec1u h\u01b0\u1edbng (Navigation menu)<\/strong> ch\u1ee9a danh s\u00e1ch c\u00e1c li\u00ean k\u1ebft \u0111\u1ec3 gi\u00fap kh\u00e1ch truy c\u1eadp \u0111i\u1ec1u h\u01b0\u1edbng qua trang web.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>N\u1ed9i dung (Content)<\/strong> th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o ng\u01b0\u1eddi d\u00f9ng m\u1ee5c ti\u00eau. N\u1ed9i dung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y theo nhi\u1ec1u b\u1ed1 c\u1ee5c kh\u00e1c nhau.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Ch\u00e2n trang (Footer)<\/strong> \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf cu\u1ed1i trang c\u1ee7a b\u1ea1n. N\u00f3 th\u01b0\u1eddng ch\u1ee9a th\u00f4ng tin nh\u01b0 b\u1ea3n quy\u1ec1n v\u00e0 th\u00f4ng tin li\u00ean h\u1ec7.<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-66703 size-full\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/bo-cuc-web-vippro.png\" alt=\"h\u1ecdc html v\u00e0 css\" width=\"2862\" height=\"1232\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/bo-cuc-web-vippro.png 2862w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/bo-cuc-web-vippro-300x129.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/bo-cuc-web-vippro-1600x689.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/bo-cuc-web-vippro-200x86.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/bo-cuc-web-vippro-100x43.png 100w\" sizes=\"auto, (max-width: 2862px) 100vw, 2862px\" \/><\/p>\n<h3><b>B\u01b0\u1edbc 12: Flexbox<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Flexbox l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh b\u1ed1 c\u1ee5c CSS3 ti\u00ean ti\u1ebfn gi\u00fap b\u1ea1n s\u1eafp x\u1ebfp c\u00e1c ph\u1ea7n t\u1eed HTML m\u1ed9t c\u00e1ch linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3. Flexbox g\u1ed3m c\u00e1c t\u00ednh n\u0103ng s\u1eafp x\u1ebfp ph\u1ea7n t\u1eed theo m\u1ed9t chi\u1ec1u ho\u1eb7c hai chi\u1ec1u, ph\u00e2n ph\u1ed1i kh\u00f4ng gian gi\u1eefa c\u00e1c ph\u1ea7n t\u1eed m\u1ed9t c\u00e1ch linh ho\u1ea1t, t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh b\u1ed1 c\u1ee5c khi k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh thay \u0111\u1ed5i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 thu\u1ed9c t\u00ednh flexbox \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn nh\u01b0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">flex-direction<\/span><b>:<\/b><span style=\"font-weight: 400;\"> X\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng s\u1eafp x\u1ebfp c\u00e1c ph\u1ea7n t\u1eed con (ngang, d\u1ecdc, ho\u1eb7c c\u1ea3 hai).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">justify-content<\/span><b>:<\/b><span style=\"font-weight: 400;\"> X\u00e1c \u0111\u1ecbnh c\u00e1ch ph\u00e2n ph\u1ed1i c\u00e1c ph\u1ea7n t\u1eed con d\u1ecdc theo tr\u1ee5c ch\u00ednh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">align-items<\/span><b>:<\/b><span style=\"font-weight: 400;\"> X\u00e1c \u0111\u1ecbnh c\u00e1ch ph\u00e2n ph\u1ed1i c\u00e1c ph\u1ea7n t\u1eed con d\u1ecdc theo tr\u1ee5c ph\u1ee5.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">flex-grow<\/span><b>:<\/b><span style=\"font-weight: 400;\"> X\u00e1c \u0111\u1ecbnh c\u00e1ch th\u1ee9c m\u1ed9t ph\u1ea7n t\u1eed con ph\u00e1t tri\u1ec3n \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y kh\u00f4ng gian tr\u1ed1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">flex-shrink<\/span><b>:<\/b><span style=\"font-weight: 400;\"> X\u00e1c \u0111\u1ecbnh c\u00e1ch th\u1ee9c m\u1ed9t ph\u1ea7n t\u1eed con co l\u1ea1i khi kh\u00f4ng \u0111\u1ee7 kh\u00f4ng gian.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">align-content: C\u0103n ch\u1ec9nh c\u00e1c \u0111\u01b0\u1eddng flex (flex lines) trong container flexbox theo tr\u1ee5c cross axis (tr\u1ee5c vu\u00f4ng g\u00f3c v\u1edbi main axis).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">flex-wrap: B\u1eadt ho\u1eb7c t\u1eaft vi\u1ec7c b\u1ecdc c\u00e1c \u0111\u01b0\u1eddng flex khi container flexbox kh\u00f4ng \u0111\u1ee7 r\u1ed9ng \u0111\u1ec3 ch\u1ee9a t\u1ea5t c\u1ea3 c\u00e1c item.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">flex-basis: Thu\u1ed9c t\u00ednh CSS trong m\u00f4 h\u00ecnh Flexbox, d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc ban \u0111\u1ea7u c\u1ee7a c\u00e1c m\u1ee5c (flex item) b\u00ean trong container flexbox.<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 13: Grid<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Grid CSS l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng b\u1ed1 c\u1ee5c m\u1edbi \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u trong CSS3 gi\u00fap b\u1ea1n s\u1eafp x\u1ebfp c\u00e1c ph\u1ea7n t\u1eed HTML m\u1ed9t c\u00e1ch tr\u1ef1c quan v\u00e0 hi\u1ec7u qu\u1ea3. Grid cho ph\u00e9p x\u00e1c \u0111\u1ecbnh c\u1ee5 th\u1ec3 v\u1ecb tr\u00ed c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed trong layout, gi\u00fap t\u1ea1o ra c\u00e1c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p h\u01a1n. Trong khi \u0111\u00f3, Flexbox t\u1eadp trung v\u00e0o vi\u1ec7c s\u1eafp x\u1ebfp c\u00e1c ph\u1ea7n t\u1eed theo h\u00e0ng ho\u1eb7c c\u1ed9t, linh ho\u1ea1t h\u01a1n trong vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc v\u00e0 c\u0103n ch\u1ec9nh c\u00e1c ph\u1ea7n t\u1eed con.<\/span><\/p>\n<figure id=\"attachment_66814\" aria-describedby=\"caption-attachment-66814\" style=\"width: 1925px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-66814 size-full\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Flexbox-vs-CSS-Grid-vippro.webp\" alt=\"h\u1ecdc html v\u00e0 css\" width=\"1925\" height=\"758\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Flexbox-vs-CSS-Grid-vippro.webp 1925w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Flexbox-vs-CSS-Grid-vippro-300x118.webp 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Flexbox-vs-CSS-Grid-vippro-640x252.webp 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Flexbox-vs-CSS-Grid-vippro-200x79.webp 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Flexbox-vs-CSS-Grid-vippro-768x302.webp 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Flexbox-vs-CSS-Grid-vippro-1536x605.webp 1536w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Flexbox-vs-CSS-Grid-vippro-100x39.webp 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Flexbox-vs-CSS-Grid-vippro-700x276.webp 700w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/Flexbox-vs-CSS-Grid-vippro-1600x630.webp 1600w\" sizes=\"auto, (max-width: 1925px) 100vw, 1925px\" \/><figcaption id=\"caption-attachment-66814\" class=\"wp-caption-text\">Grid ph\u00f9 h\u1ee3p v\u1edbi b\u1ed1 c\u1ee5c 2 chi\u1ec1u. Flexbox ph\u00f9 h\u1ee3p v\u1edbi b\u1ed1 c\u1ee5c 1 chi\u1ec1u. Ngu\u1ed3n @X-Team<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">\u1ede b\u01b0\u1edbc n\u00e0y, b\u1ea1n c\u1ea7n n\u1eafm \u0111\u01b0\u1ee3c 2 ki\u1ebfn th\u1ee9c ch\u00ednh l\u00e0 <strong>thu\u1ed9c t\u00ednh m\u1ee5c<\/strong> v\u00e0 <strong>thu\u1ed9c t\u00ednh v\u00f9ng ch\u1ee9a l\u01b0\u1edbi<\/strong>. Trong \u0111\u00f3, thu\u1ed9c t\u00ednh m\u1ee5c c\u00f3 vai tr\u00f2 ki\u1ec3m so\u00e1t c\u00e1ch th\u1ee9c c\u00e1c ph\u1ea7n t\u1eed con \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp trong l\u01b0\u1edbi. Thu\u1ed9c t\u00ednh v\u00f9ng ch\u1ee9a l\u01b0\u1edbi c\u00f3 vai tr\u00f2 ki\u1ec3m so\u00e1t c\u1ea5u tr\u00fac v\u00e0 b\u1ed1 c\u1ee5c c\u1ee7a l\u01b0\u1edbi.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thu\u1ed9c t\u00ednh \u0111\u1ecbnh ngh\u0129a c\u1ea5u tr\u00fac: grid: display, grid-template-columns, grid-template-rows, grid-template-areas,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thu\u1ed9c t\u00ednh \u0111\u1ecbnh v\u1ecb item: grid-column-start, grid-column-end, grid-row-start, grid-row-end, place-items,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thu\u1ed9c t\u00ednh \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch: column-gap, row-gap,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thu\u1ed9c t\u00ednh \u0111\u1ecbnh v\u1ecb alignment: justify-items, align-items, justify-content, align-content,&#8230;<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 14: B\u1ed9 ch\u1ecdn n\u00e2ng cao v\u00e0 l\u1edbp gi\u1ea3<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">B\u1ed9 ch\u1ecdn n\u00e2ng cao trong CSS l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 gi\u00fap b\u1ea1n ch\u1ecdn l\u1ecdc c\u00e1c ph\u1ea7n t\u1eed HTML m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi c\u00e1c b\u1ed9 ch\u1ecdn c\u01a1 b\u1ea3n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y gi\u00fap b\u1ea1n t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 khi ch\u1ecdn c\u00e1c ph\u1ea7n t\u1eed tr\u00ean trang web, t\u1ea1o hi\u1ec7u \u1ee9ng CSS \u0111\u1ed9c \u0111\u00e1o v\u00e0 t\u01b0\u01a1ng t\u00e1c, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng truy c\u1eadp v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng website.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c kh\u00e1i ni\u1ec7m quan tr\u1ecdng c\u1ea7n n\u1eafm g\u1ed3m:<\/span><\/p>\n<ul>\n<li><b>B\u1ed9 ch\u1ecdn thu\u1ed9c t\u00ednh<\/b><span style=\"font-weight: 400;\">: Ch\u1ecdn c\u00e1c ph\u1ea7n t\u1eed HTML d\u1ef1a tr\u00ean gi\u00e1 tr\u1ecb thu\u1ed9c t\u00ednh c\u1ee7a ch\u00fang. V\u00ed d\u1ee5: input[type=&#8221;submit&#8221;]<\/span><\/li>\n<li><b>B\u1ed9 ch\u1ecdn anh em:<\/b><span style=\"font-weight: 400;\"> Ch\u1ecdn ph\u1ea7n t\u1eed k\u1ebf ti\u1ebfp c\u00f3 chung ph\u1ea7n t\u1eed cha v\u1edbi m\u1ed9t ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. V\u00ed d\u1ee5: h2 + p s\u1ebd ch\u1ecdn c\u00e1c \u0111o\u1ea1n v\u0103n b\u1ea3n p ngay sau c\u00e1c ti\u00eau \u0111\u1ec1 h2.<\/span><\/li>\n<li aria-level=\"1\"><b>B\u1ed9 ch\u1ecdn con: <\/b><span style=\"font-weight: 400;\">Ch\u1ecdn c\u00e1c ph\u1ea7n t\u1eed con tr\u1ef1c ti\u1ebfp c\u1ee7a m\u1ed9t ph\u1ea7n t\u1eed cha c\u1ee5 th\u1ec3. V\u00ed d\u1ee5: ul &gt; li s\u1ebd ch\u1ecdn t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed li l\u00e0 con tr\u1ef1c ti\u1ebfp c\u1ee7a ph\u1ea7n t\u1eed ul<\/span><\/li>\n<li aria-level=\"1\"><b>L\u1edbp gi\u1ea3<\/b><span style=\"font-weight: 400;\">: Ch\u1ecdn c\u00e1c ph\u1ea7n t\u1eed HTML d\u1ef1a tr\u00ean tr\u1ea1ng th\u00e1i, gi\u00fap t\u1ea1o \u0111i\u1ec1u ki\u1ec7n v\u00e0 hi\u1ec7u \u1ee9ng \u0111\u1ed9ng. V\u00ed d\u1ee5: a:hover, :first-child, :last-child, :focus,&#8230;<\/span><\/li>\n<li aria-level=\"1\"><b>Ph\u1ea7n t\u1eed gi\u1ea3<\/b><span style=\"font-weight: 400;\">: Gi\u00fap b\u1ed5 sung th\u00eam n\u1ed9i dung m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i HTML. V\u00ed d\u1ee5: ::before<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 15: Transition &amp; Animation<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Transition (chuy\u1ec3n ti\u1ebfp) v\u00e0 Animation (ho\u1ea1t \u1ea3nh) l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 gi\u00fap b\u1ea1n t\u1ea1o ra c\u00e1c trang web m\u01b0\u1ee3t m\u00e0, s\u1ed1ng \u0111\u1ed9ng v\u00e0 thu h\u00fat ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">CSS Transition cho ph\u00e9p b\u1ea1n t\u1ea1o hi\u1ec7u \u1ee9ng m\u01b0\u1ee3t m\u00e0 khi thay \u0111\u1ed5i thu\u1ed9c t\u00ednh CSS c\u1ee7a m\u1ed9t ph\u1ea7n t\u1eed. Trong khi \u0111\u00f3, CSS Animation cho ph\u00e9p b\u1ea1n t\u1ea1o hi\u1ec7u \u1ee9ng ho\u1ea1t h\u00ecnh b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i c\u00e1c thu\u1ed9c t\u00ednh CSS theo th\u1eddi gian.<\/span><\/p>\n<p>CSS Transition \u0111\u01b0\u1ee3c xem l\u00e0 t\u1ed1t nh\u1ea5t cho c\u00e1c chuy\u1ec3n \u0111\u1ed9ng \u0111\u01a1n gi\u1ea3n t\u1eeb chuy\u1ec3n \u0111\u1ed9ng n\u00e0y sang chuy\u1ec3n \u0111\u1ed9ng kh\u00e1c, trong khi CSS Animation \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c chu\u1ed7i chuy\u1ec3n \u0111\u1ed9ng ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n<figure id=\"attachment_66804\" aria-describedby=\"caption-attachment-66804\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-66804 size-full\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-chuyen-tiep-hoat-anh-vippro.webp\" alt=\"h\u1ecdc html v\u00e0 css\" width=\"650\" height=\"406\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-chuyen-tiep-hoat-anh-vippro.webp 650w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-chuyen-tiep-hoat-anh-vippro-300x187.webp 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-chuyen-tiep-hoat-anh-vippro-640x400.webp 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-chuyen-tiep-hoat-anh-vippro-200x125.webp 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/04\/css-chuyen-tiep-hoat-anh-vippro-100x62.webp 100w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-66804\" class=\"wp-caption-text\">Ngu\u1ed3n @HubSpot<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 thu\u1ed9c t\u00ednh transition trong CSS:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">transition-property: X\u00e1c \u0111\u1ecbnh thu\u1ed9c t\u00ednh s\u1ebd chuy\u1ec3n ti\u1ebfp.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">transition-duration: \u0110\u1ed9 d\u00e0i c\u1ee7a hi\u1ec7u \u1ee9ng chuy\u1ec3n ti\u1ebfp.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">transition-timing-function: \u0110\u1ecbnh ngh\u0129a c\u00e1ch hi\u1ec7u \u1ee9ng chuy\u1ec3n ti\u1ebfp thay \u0111\u1ed5i theo th\u1eddi gian.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">transition-delay: \u0110\u1ed9 tr\u1ec5 tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u hi\u1ec7u \u1ee9ng chuy\u1ec3n ti\u1ebfp.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 thu\u1ed9c t\u00ednh animation trong CSS:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">animation-name: X\u00e1c \u0111\u1ecbnh t\u00ean c\u1ee7a ho\u1ea1t \u1ea3nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">animation-duration: \u0110\u1ed9 d\u00e0i c\u1ee7a ho\u1ea1t \u1ea3nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">animation-timing-function: X\u00e1c \u0111\u1ecbnh c\u00e1ch ho\u1ea1t \u1ea3nh thay \u0111\u1ed5i theo th\u1eddi gian.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">animation-delay: \u0110\u1ed9 tr\u1ec5 tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u ho\u1ea1t \u1ea3nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">animation-iteration-count: S\u1ed1 l\u1ea7n l\u1eb7p l\u1ea1i c\u1ee7a ho\u1ea1t \u1ea3nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">animation-direction: X\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng ch\u1ea1y c\u1ee7a ho\u1ea1t \u1ea3nh (forward, backward, alternate&#8230;).<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 16: Thi\u1ebft k\u1ebf web responsive<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf responsive l\u00e0 ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft k\u1ebf website c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh b\u1ed1 c\u1ee5c v\u00e0 giao di\u1ec7n m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng. Ch\u1eb3ng h\u1ea1n s\u1eed d\u1ee5ng CSS b\u1ed1 c\u1ee5c nh\u01b0 Flexbox, Grid, s\u1eed d\u1ee5ng CSS Media Queries, s\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh cho ph\u1ea7n t\u1eed nh\u01b0 min-width, max-width,&#8230; sao cho ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh c\u1ee7a m\u1ecdi thi\u1ebft b\u1ecb, t\u1eeb m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Responsive \u0111\u1ea3m b\u1ea3o trang web hi\u1ec3n th\u1ecb \u0111\u1eb9p m\u1eaft v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 chi ph\u00ed, t\u0103ng kh\u1ea3 n\u0103ng truy c\u1eadp \u0111\u1ea3m b\u1ea3o trang web d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng cho ng\u01b0\u1eddi d\u00f9ng c\u00f3 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau.\u00a0<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 17: H\u1ecdc c\u00e1ch d\u00f9ng bi\u1ebfn CSS<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Bi\u1ebfn CSS l\u00e0 c\u00e1c gi\u00e1 tr\u1ecb do ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t m\u1ed9t l\u1ea7n v\u00e0 s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n trong to\u00e0n b\u1ed9 c\u01a1 s\u1edf m\u00e3 c\u1ee7a b\u1ea1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ch\u00fang gi\u00fap qu\u1ea3n l\u00fd m\u00e0u s\u1eafc, ph\u00f4ng ch\u1eef, k\u00edch th\u01b0\u1edbc v\u00e0 gi\u00e1 tr\u1ecb ho\u1ea1t \u1ea3nh d\u1ec5 d\u00e0ng h\u01a1n, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n tr\u00ean c\u00e1c \u1ee9ng d\u1ee5ng web.<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 18: Th\u1ef1c h\u00e0nh x\u00e2y d\u1ef1ng trang web \u0111\u01a1n gi\u1ea3n t\u1eeb HTML CSS<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Sau khi ho\u00e0n th\u00e0nh 17 b\u01b0\u1edbc h\u1ecdc HTML v\u00e0 CSS, \u0111\u1ec3 c\u1ee7ng c\u1ed1 l\u1ea1i ki\u1ebfn th\u1ee9c, ph\u00e1t tri\u1ec3n v\u00e0 n\u00e2ng cao kh\u1ea3 n\u0103ng s\u00e1ng t\u1ea1o b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c h\u00e0nh c\u00e1c vi\u1ec7c sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u1ea1o trang web \u0111\u01a1n gi\u1ea3n:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng HTML v\u00e0 CSS \u0111\u1ec3 t\u1ea1o trang web c\u00e1 nh\u00e2n, portfolio ho\u1eb7c blog.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Thay \u0111\u1ed5i giao di\u1ec7n trang web hi\u1ec7n c\u00f3:<\/b><span style=\"font-weight: 400;\"> T\u00f9y ch\u1ec9nh giao di\u1ec7n c\u1ee7a trang web b\u1ea1n y\u00eau th\u00edch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng CSS.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u1ea1o c\u00e1c hi\u1ec7u \u1ee9ng CSS:<\/b><span style=\"font-weight: 400;\"> Th\u1eed nghi\u1ec7m v\u1edbi c\u00e1c hi\u1ec7u \u1ee9ng hover, animation, v\u00e0 transition \u0111\u1ec3 t\u0103ng t\u00ednh t\u01b0\u01a1ng t\u00e1c cho trang web.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Luy\u1ec7n t\u1eadp s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt n\u00e2ng cao:<\/b><span style=\"font-weight: 400;\"> Kh\u00e1m ph\u00e1 c\u00e1c ch\u1ee7 \u0111\u1ec1 nh\u01b0 bi\u1ebfn, @import, @font-face, flexbox, grid layout, responsive v\u00e0 preprocessors.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Tham gia c\u00e1c d\u1ef1 \u00e1n m\u00e3 ngu\u1ed3n m\u1edf:<\/b><span style=\"font-weight: 400;\"> Tham gia c\u1ed9ng \u0111\u1ed3ng v\u00e0 \u0111\u00f3ng g\u00f3p v\u00e0o c\u00e1c d\u1ef1 \u00e1n CSS tr\u00ean GitHub.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Tai_nguyen_hoc_HTML_va_CSS_huu_ich_cho_nguoi_moi_bat_dau\"><\/span><b>T\u00e0i nguy\u00ean h\u1ecdc HTML v\u00e0 CSS h\u1eefu \u00edch cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u00f3 r\u1ea5t nhi\u1ec1u t\u00e0i nguy\u00ean h\u1ecdc HTML v\u00e0 CSS mi\u1ec5n ph\u00ed ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u. B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 ngu\u1ed3n do ITviec g\u1ee3i \u00fd trong b\u1ea3ng b\u00ean d\u01b0\u1edbi:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><b>Lo\u1ea1i t\u00e0i nguy\u00ean<\/b><\/td>\n<td style=\"text-align: center;\"><b>T\u00ean t\u00e0i nguy\u00ean<\/b><\/td>\n<td style=\"text-align: center;\"><b>M\u00f4 t\u1ea3<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>Kh\u00f3a h\u1ecdc tr\u1ef1c tuy\u1ebfn<\/b><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">&#8211; <\/span><a href=\"https:\/\/www.theodinproject.com\/?ref=hackernoon.com\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">The Odin Project &#8211; HTML and CSS<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">&#8211;<\/span><a href=\"https:\/\/www.freecodecamp.org\/news\/best-html-html5-tutorial\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\"> Free Code Camp &#8211; Basic HTML and HTML5<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; <\/span><a href=\"https:\/\/www.freecodecamp.org\/news\/tag\/css\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Free Code Camp &#8211; Basic CSS<\/span><\/a><\/td>\n<td style=\"text-align: left;\"><span style=\"font-weight: 400;\">Kh\u00f3a h\u1ecdc to\u00e0n di\u1ec7n, d\u1ec5 hi\u1ec3u, d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 HTML, CSS.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>K\u00eanh Youtube<\/b><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; <\/span><a href=\"https:\/\/www.youtube.com\/watch?v=a_iQb1lnAEQ\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">FreeCodeCamp.org: <\/span>Learn HTML &amp; CSS \u2013 Full Course for Beginners<\/a><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; <\/span><a href=\"https:\/\/www.youtube.com\/watch?v=qz0aGYrrlhU\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Programming with Mosh: <\/span>HTML Tutorial for Beginners: HTML Crash Course<\/a><\/td>\n<td><span style=\"font-weight: 400;\">Cung c\u1ea5p c\u00e1c h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 HTML v\u00e0 CSS.<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><b>S\u00e1ch<\/b><\/td>\n<td><a href=\"https:\/\/books.google.com.vn\/books\/about\/Learn_HTML_for_Beginners.html?id=alU9xQEACAAJ&amp;redir_esc=y\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Learn HTML for Beginners: The illustrated guide to Coding<\/span><\/a><\/td>\n<td><span style=\"font-weight: 400;\">S\u00e1ch d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u <\/span><span style=\"font-weight: 400;\">v\u1edbi nhi\u1ec1u ch\u1ee7 \u0111\u1ec1 nh\u01b0 c\u00e1c th\u1ebb, ph\u1ea7n t\u1eed HTML, ki\u1ec3u d\u00e1ng, bi\u1ec3u m\u1eabu, danh s\u00e1ch, &#8230;<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.echocommunity.org\/vi\/resources\/31211f43-af4f-4304-823a-a080efceaa46\"><span style=\"font-weight: 400;\">HTML and CSS: Design and Build Websites<\/span><\/a><\/td>\n<td><span style=\"font-weight: 400;\">S\u00e1ch d\u00e0nh cung c\u1ea5p ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u1ec1 HTML CSS cho Middle Web Developer<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/books.google.com.vn\/books\/about\/Web_Design_with_HTML_CSS_JavaScript_and.html?id=kghJjwEACAAJ&amp;redir_esc=y\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Web Design with HTML, CSS, JavaScript and jQuery Set 1st Edition.<\/span><\/a><\/td>\n<td><span style=\"font-weight: 400;\">S\u00e1ch d\u00e0nh cho nh\u1eefng ng\u01b0\u1eddi chuy\u00ean s\u00e2u <\/span><span style=\"font-weight: 400;\">cung c\u1ea5p cho \u0111\u1ed9c gi\u1ea3 nh\u1eefng ki\u1ebfn th\u1ee9c ph\u00e1t tri\u1ec3n front-end hi\u1ec7n \u0111\u1ea1i nh\u1ea5t.<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\"><b>T\u00e0i li\u1ec7u tr\u1ef1c tuy\u1ebfn<\/b><\/td>\n<td><a href=\"https:\/\/www.w3schools.com\/\"><span style=\"font-weight: 400;\">W3Schools<\/span><\/a><\/td>\n<td><span style=\"font-weight: 400;\">Cung c\u1ea5p h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 HTML v\u00e0 CSS v\u1edbi c\u00e1c b\u00e0i h\u1ecdc t\u01b0\u01a1ng t\u00e1c, b\u00e0i t\u1eadp v\u00e0 v\u00ed d\u1ee5.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">MDN Web Docs<\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/developer.mozilla.org\/fr\/docs\/Web\/HTML\" target=\"_blank\" rel=\"noopener\">HTML<\/a><\/li>\n<li><a href=\"https:\/\/developer.mozilla.org\/fr\/docs\/Web\/CSS\" target=\"_blank\" rel=\"noopener\">CSS<\/a><\/li>\n<\/ul>\n<\/td>\n<td><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u tham kh\u1ea3o ch\u00ednh th\u1ee9c c\u1ee7a Mozilla v\u1ec1 HTML v\u00e0 CSS, bao g\u1ed3m h\u01b0\u1edbng d\u1eabn, v\u00ed d\u1ee5 v\u00e0 API.<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\"><b>C\u1ed9ng \u0111\u1ed3ng<\/b><\/td>\n<td><a href=\"https:\/\/stackoverflow.com\/\"><span style=\"font-weight: 400;\">Stack Overflow<\/span><\/a><\/td>\n<td><span style=\"font-weight: 400;\">Di\u1ec5n \u0111\u00e0n Q&amp;A l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi cho l\u1eadp tr\u00ecnh vi\u00ean, l\u00e0 n\u01a1i l\u00fd t\u01b0\u1edfng \u0111\u1ec3 t\u00ecm ki\u1ebfm c\u00e2u tr\u1ea3 l\u1eddi cho c\u00e1c c\u00e2u h\u1ecfi c\u1ee5 th\u1ec3 v\u1ec1 HTML v\u00e0 CSS.<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.reddit.com\/?rdt=61394\"><span style=\"font-weight: 400;\">Reddit<\/span><\/a><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 nhi\u1ec1u subreddit d\u00e0nh cho HTML v\u00e0 CSS, nh\u01b0 r\/html, r\/css, r\/webdev. \u0110\u00e2y l\u00e0 n\u01a1i \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c ch\u1ee7 \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn HTML v\u00e0 CSS, chia s\u1ebb ki\u1ebfn th\u1ee9c v\u00e0 kinh nghi\u1ec7m.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/hoc-html\/\" target=\"_blank\" rel=\"noopener\"><strong>T\u1ed5ng h\u1ee3p 20+ T\u00e0i li\u1ec7u h\u1ecdc HTML t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao<\/strong><\/a><\/em><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_hoc_HTML_va_CSS\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 h\u1ecdc HTML v\u00e0 CSS<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>H\u1ecdc HTML c\u01a1 b\u1ea3n xong th\u00ec l\u00e0m g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Sau khi th\u00e0nh th\u1ea1o HTML v\u00e0 CSS, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n sang c\u00e1c ng\u00f4n ng\u1eef ph\u00e1t tri\u1ec3n web Front end kh\u00e1c nh\u01b0 JavaScript v\u00e0 c\u00e1c framework m\u1ea1nh m\u1ebd c\u1ee7a n\u00f3 \u0111\u1ec3 t\u1ea1o c\u00e1c trang web \u0111\u1ed9ng v\u00e0 c\u00f3 t\u00ednh t\u01b0\u01a1ng t\u00e1c.<\/span><\/p>\n<h3><b>H\u1ecdc HTML v\u00e0 CSS \u0111\u1ec3 l\u00e0m g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">HTML v\u00e0 CSS l\u00e0 hai c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i \u0111\u1ec3 ph\u00e1t tri\u1ec3n web, r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai mu\u1ed1n l\u00e0m vi\u1ec7c trong l\u0129nh v\u1ef1c n\u00e0y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H\u1ecdc HTML v\u00e0 CSS kh\u00f4ng ch\u1ec9 trang b\u1ecb cho b\u1ea1n nh\u1eefng k\u1ef9 n\u0103ng c\u01a1 b\u1ea3n m\u00e0 c\u00f2n t\u1ea1o n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho nh\u1eefng ng\u00f4n ng\u1eef ph\u1ee9c t\u1ea1p h\u01a1n, m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i ngh\u1ec1 nghi\u1ec7p kh\u00e1c nhau trong ph\u00e1t tri\u1ec3n web.<\/span><\/p>\n<h3><b>Ai c\u1ea7n h\u1ecdc HTML v\u00e0 CSS?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">H\u1ecdc HTML v\u00e0 CSS l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ea7u ti\u00ean \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai mong mu\u1ed1n tr\u1edf th\u00e0nh nh\u00e0 ph\u00e1t tri\u1ec3n web chuy\u00ean nghi\u1ec7p, ngo\u00e0i ra m\u1ed9t s\u1ed1 l\u0129nh v\u1ef1c kh\u00e1c nh\u01b0 UX\/UI Designers, hay l\u1eadp tr\u00ecnh vi\u00ean mobile s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 React Native, Flutter c\u0169ng c\u1ea7n c\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 HTML v\u00e0 CSS, v\u00ec n\u00f3 cung c\u1ea5p c\u00e1c k\u1ef9 n\u0103ng c\u01a1 b\u1ea3n c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u1ea7n thi\u1ebft \u0111\u1ec3 h\u1ecdc c\u00e1c ng\u00f4n ng\u1eef ph\u1ee9c t\u1ea1p h\u01a1n.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket\"><\/span><b>T\u1ed5ng k\u1ebft<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">V\u1edbi nh\u1eefng h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 l\u1ed9 tr\u00ecnh h\u1ecdc HMTL v\u00e0 CSS trong b\u00e0i vi\u1ebft n\u00e0y, b\u1eb1ng c\u00e1ch ti\u1ebfp c\u1eadn t\u1eebng b\u01b0\u1edbc m\u1ed9t, t\u1eeb nh\u1eefng kh\u00e1i ni\u1ec7m c\u0103n b\u1ea3n nh\u01b0 c\u00fa ph\u00e1p v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a HTML v\u00e0 CSS, \u0111\u1ebfn vi\u1ec7c l\u00e0m quen v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt layout ti\u00ean ti\u1ebfn, hy v\u1ecdng b\u1ea1n c\u00f3 th\u1ec3 bi\u1ebft m\u00ecnh c\u1ea7n b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2u v\u00e0 h\u1ecdc c\u00e1c ph\u1ea7n nh\u01b0 th\u1ebf n\u00e0o l\u00e0 h\u1ee3p l\u00fd nh\u1ea5t.<\/span><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" class=\"sp-no-webp wp-image-5668 aligncenter sp-no-webp entered lazyloaded\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-200x200.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-60x60.png 60w\" alt=\"robby-2\" width=\"300\" height=\"300\" data-lazy-src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png\" data-lazy-sizes=\"(max-width: 300px) 100vw, 300px\" data-lazy-srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-200x200.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-60x60.png 60w\" data-ll-status=\"loaded\" \/><\/figure>\n<\/div>\n<p id=\"block-bdf220a1-3635-4794-9101-81d879939b92\" class=\"has-text-align-center\" style=\"text-align: center;\"><strong>B\u1ea1n th\u1ea5y b\u00e0i vi\u1ebft hay v\u00e0 h\u1eefu \u00edch? \u0110\u1eebng ng\u1ea1i Share v\u1edbi b\u1ea1n b\u00e8 v\u00e0 \u0111\u1ed3ng nghi\u1ec7p nh\u00e9.<\/strong><\/p>\n<p id=\"block-a1315aab-406f-48df-97fc-6b9584e6e134\" class=\"has-text-align-center\" style=\"text-align: center;\"><strong>V\u00e0 nhanh tay tham kh\u1ea3o\u00a0<a href=\"http:\/\/itviec.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m IT<\/a>\u00a0\u201cch\u1ea5t\u201d tr\u00ean ITviec<\/strong>!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>HTML v\u00e0 CSS \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 nh\u1eefng ng\u00f4n ng\u1eef c\u1ed1t l\u00f5i trong x\u00e2y d\u1ef1ng v\u00e0 ph\u00e1t tri\u1ec3n website, b\u00ean c\u1ea1nh JavaScript. V\u1eady v\u1edbi m\u1ed9t ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, n\u00ean b\u1eaft \u0111\u1ea7u h\u1ecdc HTML v\u00e0 CSS nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 n\u1eafm b\u1eaft \u0111\u1ea7y \u0111\u1ee7, kh\u00f4ng b\u1ecf s\u00f3t b\u1ea5t k\u1ef3 ki\u1ebfn th\u1ee9c quan tr\u1ecdng n\u00e0o? T\u1ea5t [&hellip;]<\/p>\n","protected":false},"author":213,"featured_media":67531,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-66700","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>H\u1ecdc HTML v\u00e0 CSS: L\u1ed9 tr\u00ecnh 18 b\u01b0\u1edbc chi ti\u1ebft cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u - ITviec Blog<\/title>\n<meta name=\"description\" content=\"C\u00f9ng t\u00ecm hi\u1ec3u n\u00ean b\u1eaft \u0111\u1ea7u h\u1ecdc HTML v\u00e0 CSS nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 n\u1eafm b\u1eaft \u0111\u1ea7y \u0111\u1ee7, kh\u00f4ng b\u1ecf s\u00f3t b\u1ea5t k\u1ef3 ki\u1ebfn th\u1ee9c quan tr\u1ecdng n\u00e0o.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-html-css-cho-nguoi-moi-bat-dau\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u1ecdc HTML v\u00e0 CSS: L\u1ed9 tr\u00ecnh 18 b\u01b0\u1edbc chi ti\u1ebft cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u\" \/>\n<meta property=\"og:description\" content=\"HTML v\u00e0 CSS \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 nh\u1eefng ng\u00f4n ng\u1eef c\u1ed1t l\u00f5i trong x\u00e2y d\u1ef1ng v\u00e0 ph\u00e1t tri\u1ec3n website, b\u00ean c\u1ea1nh JavaScript. 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