<\/span><\/h2>\n\n\n\nTrong HTML5, th\u1ebb <hr> \u0111\u1ecbnh ngh\u0129a s\u1ef1 thay \u0111\u1ed5i v\u1ec1 ch\u1ee7 \u0111\u1ec1.<\/p>\n\n\n\n
Trong HTML 4.01, th\u1ebb <hr> thay th\u1ebf cho \u0111\u01b0\u1eddng k\u1ebb ngang.<\/p>\n\n\n\n
M\u1eb7c d\u00f9 th\u1ebb <hr> c\u00f3 th\u1ec3 v\u1eabn hi\u1ec3n th\u1ecb \u0111\u01b0\u1eddng k\u1ebb ngang tr\u00ean tr\u00ecnh duy\u1ec7t, nh\u01b0ng b\u00e2y gi\u1edd n\u00f3 mang \u00fd ngh\u0129a ng\u1eef ngh\u0129a<\/strong> nhi\u1ec1u h\u01a1n l\u00e0 ch\u1ec9 v\u00ec m\u1ee5c \u0111\u00edch hi\u1ec3n th\u1ecb nh\u01b0 v\u1eady<\/p>\n\n\n\nT\u1ea5t c\u1ea3 c\u00e1c thu\u1ed9c t\u00ednh layout \u0111\u1ec1u \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf trong HTML5. S\u1eed d\u1ee5ng CSS \u0111\u1ec3 thay th\u1ebf.<\/p>\n\n\n\n
\n\n\n\n<\/span>S\u1ef1 kh\u00e1c nhau gi\u1eefa HTML v\u00e0 XHTML<\/span><\/h2>\n\n\n\nTrong HTML, th\u1ebb <hr> kh\u00f4ng c\u00f3 th\u1ebb \u0111\u00f3ng.<\/p>\n\n\n\n
Trong XHTML, th\u1ebb <hr> ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00f3ng \u0111\u00fang c\u00e1ch, gi\u1ed1ng nh\u01b0 th\u1ebf n\u00e0y: <hr\/>.<\/p>\n\n\n\n
\n\n\n\n<\/span>C\u00e1c thu\u1ed9c t\u00ednh<\/span><\/h2>\n\n\n\nThu\u1ed9c t\u00ednh<\/th> Gi\u00e1 tr\u1ecb<\/th> M\u00f4 t\u1ea3<\/th><\/tr> align<\/td> left center right<\/td> Kh\u00f4ng h\u1ed7 tr\u1ee3 trong HTML5. D\u00f9ng cho m\u1ee5c \u0111\u00edch c\u0103n ch\u1ec9nh v\u1ecb tr\u00ed cho ph\u1ea7n t\u1eeb <hr><\/span><\/td><\/tr>noshade<\/td> noshade<\/td> Kh\u00f4ng h\u1ed7 tr\u1ee3 trong HTML5. Ch\u1ec9 \u0111\u1ecbnh r\u1eb1ng th\u1ebb <hr> ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ecb d\u01b0\u1edbi d\u1ea1ng m\u00e0u thu\u1ea7n nh\u1ea5t thay v\u00ec c\u00f3 \u0111\u1ed5 b\u00f3ng<\/td><\/tr> size<\/td> pixels<\/i><\/td> Kh\u00f4ng h\u1ed7 tr\u1ee3 trong HTML5.Ch\u1ec9 \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a ph\u1ea7n t\u1eed <hr><\/td><\/tr> width<\/td> pixels %<\/i><\/td> Kh\u00f4ng h\u1ed7 tr\u1ee3 trong HTML5. Ch\u1ec9 \u0111\u1ecbnh chi\u1ec1u r\u1ed9ng c\u1ee7a ph\u1ea7n t\u1eed <hr><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n \n\n\n\n<\/span>Thi\u1ebft l\u1eadp CSS m\u1eb7c \u0111\u1ecbnh<\/span><\/h2>\n\n\n\nH\u1ea7u h\u1ebft c\u00e1c tr\u00ecnh duy\u1ec7t s\u1ebd hi\u1ec3n th\u1ecb ph\u1ea7n t\u1eed <hr> v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 m\u1eb7c \u0111\u1ecbnh sau:<\/p>\n\n\n\n
hr {\ndisplay: block;\nmargin-top: 0.5em;\nmargin-bottom: 0.5em;\nmargin-left: auto;\nmargin-right: auto;\nborder-style: inset;\nborder-width: 1px;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"V\u00ed d\u1ee5 Th\u1ebb <hr> \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 m\u00f4 t\u1ea3 s\u1ef1 thay \u0111\u1ed5i v\u1ec1 ch\u1ee7 \u0111\u1ec1 trong n\u1ed9i dung: K\u1ebft qu\u1ea3: HTML HTML l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef d\u00f9ng x\u00e2y d\u1ef1ng website\u2026.. CSS CSS \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ecbnh ngh\u0129a c\u00e1ch th\u1ee9c hi\u1ec3n th\u1ecb c\u00e1c ph\u1ea7n t\u1eed HTML\u2026. \u0110\u1ecbnh ngh\u0129a v\u00e0 c\u00e1ch d\u00f9ng Th\u1ebb <hr> \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[235],"tags":[],"yoast_head":"\n
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