{"id":304,"date":"2022-11-25T22:59:45","date_gmt":"2022-11-25T15:59:45","guid":{"rendered":"https:\/\/khotheme.themevivu.net\/?p=304"},"modified":"2022-11-25T22:59:45","modified_gmt":"2022-11-25T15:59:45","slug":"html-css-la-gi-the-nao-la-thiet-ke-website-chuan-html5-css3","status":"publish","type":"post","link":"https:\/\/mauweb.tamnguyen.vn\/khotheme\/html-css-la-gi-the-nao-la-thiet-ke-website-chuan-html5-css3\/","title":{"rendered":"HTML\/CSS l\u00e0 g\u00ec? Th\u1ebf n\u00e0o l\u00e0 thi\u1ebft k\u1ebf website chu\u1ea9n HTML5\/CSS3"},"content":{"rendered":"

HTML v\u00e0 CSS<\/strong>\u00a0l\u00e0 hai th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 kh\u00f4ng c\u00f3 trong m\u1ed9t website ho\u00e0n ch\u1ec9nh. Tho\u1ea1t \u0111\u1ea7u b\u1ea1n c\u00f3 th\u1ec3 coi HTML v\u00e0 CSS l\u00e0 nh\u1eefng kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n, \u0111\u01a1n gi\u1ea3n nh\u1ea5t. Th\u1ebf nh\u01b0ng, c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi li\u00ean t\u1ee5c ph\u00e1t tri\u1ec3n v\u00e0 ra \u0111\u1eddi, ngo\u00e0i HTML c\u00f2n c\u00f3 HTML4, HTML5; ngo\u00e0i CSS c\u00f2n c\u00f3 CSS3\u2026 V\u1eady nh\u1eefng kh\u00e1i ni\u1ec7m n\u00e0y c\u00f3 ngh\u0129a l\u00e0 g\u00ec? Ch\u00fang c\u00f3 vai tr\u00f2 g\u00ec \u0111\u1ed1i v\u1edbi website. H\u00e3y c\u00f9ng\u00a0Monamedia\u00a0t\u00ecm hi\u1ec3u HTML\/CSS l\u00e0 g\u00ec v\u00e0\u00a0thi\u1ebft k\u1ebf website chu\u1ea9n HTML5\/CSS3<\/strong>\u00a0nh\u01b0 th\u1ebf n\u00e0o nh\u00e9!<\/p>\n

Hi\u1ec3u b\u1ea3n ch\u1ea5t HTML\/CSS \u2013 Ph\u1ee9c t\u1ea1p nh\u01b0ng kh\u00f4ng h\u1ec1 kh\u00f3!<\/span><\/h2>\n

\u0110\u1ec3 n\u00f3i v\u1ec1 kh\u00e1i ni\u1ec7m c\u1ee7a HTML\/CSS t\u01b0\u1edfng ch\u1eebng r\u1ea5t kh\u00f3 v\u00ec ch\u00fang r\u1ea5t tr\u1eebu t\u01b0\u1ee3ng. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 kinh nghi\u1ec7m th\u00ec \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 \u0111\u1ed1i v\u1edbi h\u1ecd.<\/p>\n

\n

\"Kh\u00e1i<\/p>\n

Hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t v\u00e0 kh\u00e1i ni\u1ec7m c\u1ee7a HTML v\u00e0 CSS<\/p>\n<\/div>\n

HTML\/CSS \u0111\u1ec1u l\u00e0 hai ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh<\/em><\/strong>. Trong khi HTML (HyperText Markup Language \u2013 ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u) \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac cho t\u1eebng ph\u1ea7n n\u1ed9i dung th\u00ec CSS (Cascading Style Sheet- ng\u00f4n ng\u1eef \u0111\u1ecbnh d\u1ea1ng theo t\u1eebng l\u1edbp) \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ea1o \u0111\u1ecbnh d\u1ea1ng hi\u1ec3n th\u1ecb cho HTML. N\u00f3i c\u00e1ch kh\u00e1c,\u00a0HTML l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 th\u00eam n\u1ed9i dung v\u00e0 m\u00f4 t\u1ea3 \u00fd ngh\u0129a cho b\u1ed1 c\u1ee5c, c\u00f2n CSS l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 trang tr\u00ed, thi\u1ebft l\u1eadp c\u1ee1 ch\u1eef, m\u00e0u s\u1eafc, c\u00e1c ki\u1ec3u ch\u1eef, hi\u1ec7u \u1ee9ng \u0111\u01a1n gi\u1ea3n\u2026 cho giao di\u1ec7n trang web.<\/em><\/strong><\/p>\n

B\u1ea1n h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng, v\u1edbi m\u1ed9t \u00fd t\u01b0\u1edfng \u0111\u1ec3 thi\u1ebft k\u1ebf website m\u00e0 b\u1ea1n v\u1eeba ngh\u0129 ra hay m\u1ed9t b\u1ea3n thi\u1ebft k\u1ebf \u0111\u00e3 ho\u00e0n ch\u1ec9nh tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 thi\u1ebft k\u1ebf nh\u01b0 Photoshop, Ai,.. nh\u01b0ng ch\u01b0a ph\u1ea3i l\u00e0 m\u1ed9t website th\u1eadt s\u1ef1. V\u1eady th\u00ec khi n\u00e0y b\u1ea1n s\u1ebd c\u1ea7n \u0111\u1ebfn c\u00f4ng c\u1ee5 HTML\/CSS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00fap cho b\u1ea3n thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n tr\u1edf th\u00e0nh m\u1ed9t trang web theo \u0111\u00fang ngh\u0129a ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 \u00fd t\u01b0\u1edfng hay h\u00ecnh \u1ea3nh \u0111\u1ed3 h\u1ecda.<\/p>\n

Vi\u1ec7c n\u00e0y gi\u1ed1ng nh\u01b0 b\u1ea1n t\u1ea1o ra m\u1ed9t t\u1edd gi\u1ea5y tr\u1eafng d\u00f9ng \u0111\u1ec3 v\u1ebd th\u00ec HTML l\u00e0 chi\u1ebfc b\u00fat ch\u00ec, l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 b\u1ea1n t\u1ea1o n\u00ean b\u1ed1 c\u1ee5c v\u00e0 n\u1ed9i dung b\u1ee9c tranh, c\u00f2n CSS l\u00e0 nh\u1eefng chi\u1ebfc b\u00fat m\u00e0u, l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 gi\u00fap b\u1ee9c tranh tr\u00f4ng sinh \u0111\u1ed9ng, b\u1eaft m\u1eaft v\u00e0 d\u1ec5 hi\u1ec3u h\u01a1n.<\/p>\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a HTML\/CSS v\u00e0 website<\/span><\/h2>\n

Ch\u1eafc ch\u1eafn\u00a0HTML\/CSS<\/strong>\u00a0l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 r\u1ea5t nhi\u1ec1u c\u00f4ng d\u1ee5ng th\u00ec ch\u00fang m\u1edbi c\u00f3 th\u1ec3 tr\u1edf n\u00ean \u201ckh\u00f4ng th\u1ec3 thi\u1ebfu\u201d \u0111\u1ed1i v\u1edbi website. C\u00f3 th\u1ec3 n\u00f3i HTML\/CSS l\u00e0 b\u1ed9 \u0111\u00f4i c\u00f4ng c\u1ee5 lu\u00f4n \u0111i li\u1ec1n v\u1edbi nhau, kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, \u0111\u1ec3 n\u00f3i v\u00ea t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi website c\u0169ng kh\u00f4ng th\u1ec3 b\u00f3c t\u00e1ch ch\u00fang \u0111\u1ec3 ph\u00e2n t\u00edch b\u1edfi ch\u00fang c\u00f3 t\u1ea7m quan tr\u1ecdng nh\u01b0 nhau.<\/p>\n

\n

\"T\u1ea7m<\/p>\n

HTML v\u00e0 CSS r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi website.<\/p>\n<\/div>\n

X\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac, s\u1eafp x\u1ebfp b\u1ed1 c\u1ee5c, \u0111\u1ecbnh d\u1ea1ng n\u1ed9i dung website<\/span><\/h3>\n

M\u1ed7i trang web \u2013 d\u00f9 ph\u1ee9c t\u1ea1p hay m\u1edbi l\u1ea1 \u0111\u1ebfn \u0111\u00e2u c\u0169ng x\u00e2y d\u1ef1ng n\u00ean b\u1edfi m\u1ed9t lo\u1ea1t c\u00e1c th\u1ebb HTML kh\u00e1c nhau. M\u1ed7i th\u1ebb s\u1ebd th\u1ec3 hi\u1ec7n m\u1ed9t ph\u1ea7n n\u1ed9i dung nh\u1ea5t \u0111\u1ecbnh, nh\u1eefng ch\u1ee9c n\u0103ng nh\u1ea5t \u0111\u1ecbnh. Ch\u1eb3ng h\u1ea1n b\u1ea1n s\u1eed d\u1ee5ng HTML \u0111\u1ec3 th\u00eam n\u1ed9i dung v\u00e0o c\u00e1c ti\u00eau \u0111\u1ec1, \u0111\u1ecbnh d\u1ea1ng n\u1ed9i dung, t\u1ea1o danh s\u00e1ch, ch\u00e8n h\u00ecnh \u1ea3nh, ch\u00e8n k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t ho\u1eb7c tr\u1ef1c ti\u1ebfp t\u1ea1o ra c\u00e1c ph\u1ea7n n\u1ed9i dung, b\u1ed1 c\u1ee5c m\u1edbi. \u1ede HTML, b\u1ea1n c\u00f3 th\u1ec3 th\u1ecfa s\u1ee9c s\u00e1ng t\u1ea1o, x\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac, s\u1eafp x\u1ebfp b\u1ed1 c\u1ee5c cho website.<\/p>\n

Tuy nhi\u00ean, nh\u01b0 \u0111\u00e3 n\u00f3i tr\u00ean, HTML ch\u1ec9 l\u00e0 ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u, ch\u00ednh v\u00ec v\u1eady n\u00f3 kh\u00f4ng th\u1ec3 khi\u1ebfn cho trang web chuy\u1ec3n \u0111\u1ed9ng ho\u1eb7c qu\u00e1 thu h\u00fat v\u1edbi ng\u01b0\u1eddi d\u00f9ng. Thay v\u00e0o \u0111\u00f3, ph\u1ea7n quan tr\u1ecdng n\u00e0y s\u1ebd l\u00e0 c\u1ee7a CSS. Nhi\u1ec7m v\u1ee5 c\u1ee7a CSS l\u00e0 \u0111\u1ecbnh d\u1ea1ng nh\u1eefng ph\u1ea7n n\u1ed9i dung \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi HTML. C\u00e1c l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf m\u00e0u s\u1eafc, th\u00eam m\u00e0u n\u1ec1n, \u0111\u1ecbnh d\u1ea1ng k\u00edch c\u1ee1, ki\u1ec3u ch\u1eef sao cho khi xu\u1ea5t hi\u1ec7n tr\u00ean giao di\u1ec7n ch\u00fang tr\u00f4ng sinh \u0111\u1ed9ng v\u00e0 thu h\u00fat ng\u01b0\u1eddi truy c\u1eadp. CSS t\u1ea1o n\u00ean phong c\u00e1ch cho doanh nghi\u1ec7p tr\u00ean Internet v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t t\u1ed5 ch\u1ee9c c\u00f3 \u0111i\u1ec1u h\u00e0nh.<\/p>\n

T\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang cho trang web<\/span><\/h3>\n

T\u1ed1c \u0111\u1ed9 t\u1ea3i trang r\u1ea5t quan tr\u1ecdng, n\u00f3 quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn kh\u1ea3 n\u0103ng ng\u01b0\u1eddi d\u00f9ng c\u00f3 \u1edf l\u1ea1i v\u1edbi trang web hay kh\u00f4ng? Nhi\u1ec1u nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng, trang web c\u00f3 t\u1ed1c \u0111\u1ed9 load trang c\u00e0ng nhanh (1 -2 gi\u00e2y) th\u00ec kh\u1ea3 n\u0103ng kh\u00e1ch h\u00e0ng truy c\u1eadp\u00a0 v\u00e0 \u1edf l\u1ea1i web c\u00e0ng cao.<\/p>\n

2 gi\u00e2y \u0111\u1ec3 t\u1ea3i to\u00e0n b\u1ed9 website \u2013 Li\u1ec7u c\u00f3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c hay kh\u00f4ng? Kh\u00f4ng ch\u1ec9 l\u00e0m cho giao di\u1ec7n sinh \u0111\u1ed9ng m\u00e0 CSS c\u00f2n gi\u00fap cho t\u1ed1c \u0111\u1ed9 t\u1ea3i trang nhanh h\u01a1n. CSS c\u00f2n cho ph\u00e9p l\u1eadp tr\u00ecnh vi\u00ean thi\u1ebft k\u1ebf c\u00e1c th\u1ebb c\u1ee7a HTML nh\u01b0 <h1> hay <ul> \u0111\u1ec3 t\u1eeb kh\u00f3a v\u00e0 anchor text n\u1eb1m trong th\u1ebb tr\u1edf n\u00ean n\u1ed5i b\u1eadt h\u01a1n khi hi\u1ec3n th\u1ecb m\u00e0 kh\u00f4ng l\u00e0m \u201cn\u1eb7ng\u201d khi\u1ebfn t\u1ed1c \u0111\u1ed9 t\u1ea3i trang b\u1ecb ch\u1eadm \u0111i. \u0110i\u1ec1u n\u00e0y c\u00f2n gi\u00fap cho c\u00f4ng c\u1ee5 Search Engine \u0111\u00e1nh gi\u00e1 cao website c\u1ee7a doanh nghi\u1ec7p, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n t\u1ed1t cho vi\u1ec7c\u00a0SEO website\u00a0sau n\u00e0y. Tuy nhi\u00ean t\u1ed1i \u01b0u nh\u01b0 th\u1ebf n\u00e0o th\u00ec c\u00f2n ph\u1ea3i ph\u1ee5c thu\u1ed9c v\u00e0o tr\u00ecnh \u0111\u1ed9 v\u00e0 kinh nghi\u1ec7m c\u1ee7a l\u1eadp tr\u00ecnh vi\u00ean.<\/p>\n

Ti\u1ebft ki\u1ec7m nhi\u1ec1u th\u1eddi gian, c\u00f4ng s\u1ee9c khi thi\u1ebft k\u1ebf website<\/span><\/h3>\n

M\u1edbi \u0111\u00e2y, khi website ng\u00e0y c\u00e0ng tr\u1edf n\u00ean b\u00e3o h\u00f2a \u0111\u00f2i h\u1ecfi ch\u00fang ph\u1ea3i li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p nhi\u1ec1u t\u00ednh n\u0103ng \u01b0u vi\u1ec7t th\u00ec c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean m\u1edbi c\u00f4ng nh\u1eadn r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng CSS gi\u00fap cho \u0111\u1ed9i ng\u0169 l\u1eadp tr\u00ecnh ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c. Ch\u1ec9 v\u1edbi m\u1ed9t \u0111o\u1ea1n CSS nh\u1ecf c\u00f3 th\u1ec3 l\u00e0m cho giao di\u1ec7n tr\u1edf n\u00ean h\u1ea5p d\u1eabn v\u00e0 thu h\u00fat h\u01a1n. H\u01a1n n\u1eefa, ng\u00f4n ng\u1eef CSS v\u00e0 HTML l\u1ea1i r\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 n\u00e2ng c\u1ea5p. Gi\u1edd \u0111\u00e2y, ch\u00fang \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn r\u1ea5t nhi\u1ec1u, gi\u00fap cho vi\u1ec7c\u00a0thi\u1ebft k\u1ebf website<\/strong>\u00a0ho\u00e0n ch\u1ec9nh tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n h\u01a1n m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng th\u00eam b\u1ea5t k\u1ef3 m\u1ed9t ng\u00f4n ng\u1eef h\u1ed7 tr\u1ee3 n\u00e0o kh\u00e1c.<\/p>\n

D\u1ec5 d\u00e0ng ch\u1ec9nh s\u1eeda, thay \u0111\u1ed5i thi\u1ebft k\u1ebf giao di\u1ec7n sang phong c\u00e1ch kh\u00e1c.<\/span><\/h3>\n

N\u1ebfu b\u1ea1n th\u01b0\u1eddng xuy\u00ean t\u00ecm hi\u1ec3u v\u1ec1 l\u0129nh v\u1ef1c thi\u1ebft k\u1ebf website th\u00ec ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u00e3 bi\u1ebft, website l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m r\u1ea5t d\u1ec5 d\u00e0ng \u201cl\u1ed7i th\u1eddi\u201d n\u1ebfu nh\u01b0 kh\u00f4ng \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c. Ch\u1ec9 c\u1ea7n website c\u1ee7a doanh nghi\u1ec7p ch\u1eadm ch\u00e2n \u201cupload\u201d th\u00ec ngay l\u1eadp t\u1ee9c \u0111\u1ed1i th\u1ee7 c\u1ee7a b\u1ea1n th\u00eam m\u1ed9t \u0111i\u1ec3m m\u1ea1nh. C\u00e1c t\u1eadp tin HTML v\u00e0 CSS th\u01b0\u1eddng r\u1ea5t nh\u1eb9, cho d\u00f9 b\u1ea1n c\u00f3 vi\u1ebft v\u00e0i ng\u00e0n d\u00f2ng trong 1 file hay nhi\u1ec1u file th\u00ec c\u0169ng kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec c\u1ea3, file c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c upload l\u00ean web server (hosting<\/a>) v\u00e0 \u0111\u01b0\u1ee3c bi\u00ean d\u1ecbch ngay l\u1eadp t\u1ee9c \u0111\u1ec3 c\u1eadp nh\u1eadt nhanh ch\u00f3ng n\u1ed9i dung, giao di\u1ec7n c\u1ee7a website.<\/p>\n

T\u1ed1i \u01b0u h\u00f3a v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 \u0111\u1ecbnh d\u1ea1ng cho trang web c\u1ee7a m\u00ecnh.<\/span><\/h3>\n

C\u0169ng l\u00e0 m\u1ed9t \u0111i\u1ec3m m\u1ea1nh n\u1eefa c\u1ee7a HTML v\u00e0 CSS khi ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ecbnh d\u1ea1ng c\u00e1c thi\u1ebft k\u1ebf cho website m\u1ed9t c\u00e1ch t\u1ed1i \u01b0u. Th\u1eadm ch\u00ed, k\u1ec3 c\u1ea3 c\u00e1c hi\u1ec7u \u1ee9ng h\u00ecnh \u1ea3nh, video tr\u01b0\u1edbc \u0111\u00e2y ph\u1ea3i nh\u1edd \u0111\u1ebfn s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a Flash c\u0169ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp nh\u1edd v\u00e0o nh\u1eefng c\u1eadp nh\u1eadt trong c\u00e1c phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a HTML\/CSS l\u00e0\u00a0HTML5\/CSS3<\/strong>.<\/p>\n

HTML5\/CSS3 kh\u00e1c g\u00ec so v\u1edbi HTML\/CSS?<\/span><\/h2>\n
\n

\"HTML5\/CSS3<\/p>\n

HTML5\/CSS3 c\u00f3 nhi\u1ec1u n\u00e2ng c\u1ea5p \u0111\u00e1ng gi\u00e1 so v\u1edbi c\u00e1c phi\u00ean b\u1ea3n tr\u01b0\u1edbc \u0111\u00f3<\/p>\n<\/div>\n

Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c phi\u00ean b\u1ea3n cao c\u1ea5p \u2013\u00a0HTML5\/CSS3<\/strong>\u00a0l\u00e0 \u0111i\u1ec1u ch\u1eafc ch\u1eafn m\u00e0 c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean ph\u1ea3i th\u00e0nh th\u1ea1o. Tuy nhi\u00ean, \u0111\u1ec3 tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi: \u201cC\u00f3 bao nhi\u00eau s\u1ef1 kh\u00e1c nhau gi\u1eefa c\u00e1c phi\u00ean b\u1ea3n n\u00e0y\u201d th\u00ec kh\u00f4ng ph\u1ea3i ai c\u0169ng bi\u1ebft.<\/p>\n

HTML5 v\u00e0 CSS3 l\u1ea7n l\u01b0\u1ee3t l\u00e0 phi\u00ean b\u1ea3n th\u1ee9 5 v\u00e0 th\u1ee9 3 c\u1ee7a HTML\/CSS. Ch\u00fang th\u1eeba h\u01b0\u1edfng to\u00e0n b\u1ed9 t\u00ednh n\u0103ng c\u1ee7a phi\u00ean b\u1ea3n c\u0169, lo\u1ea1i b\u1ecf c\u00e1c t\u00ednh n\u0103ng k\u00e9m hi\u1ec7u qu\u1ea3 v\u00e0 c\u1ea3i ti\u1ebfn th\u00eam r\u1ea5t nhi\u1ec1u c\u00e1c ch\u1ee9c n\u0103ng m\u1edbi nh\u01b0:<\/p>\n