CSS 初始化样式（Reset CSS 官网提供）：
1 /* http://meyerweb.com/eric/tools/css/reset/ 2 v2.0 | 20110126 3 License: none (public domain) 4 */ 5 6 html, body, div, span, applet, object, iframe, 7 h1, h2, h3, h4, h5, h6, p, blockquote, pre, 8 a, abbr, acronym, address, big, cite, code, 9 del, dfn, em, img, ins, kbd, q, s, samp, 10 small, strike, strong, sub, sup, tt, var, 11 b, u, i, center, 12 dl, dt, dd, ol, ul, li, 13 fieldset, form, label, legend, 14 table, caption, tbody, tfoot, thead, tr, th, td, 15 article, aside, canvas, details, embed, 16 figure, figcaption, footer, header, hgroup, 17 menu, nav, output, ruby, section, summary, 18 time, mark, audio, video { 19 margin: 0; 20 padding: 0; 21 border: 0; 22 font-size: 100%; 23 font: inherit; 24 vertical-align: baseline; 25 } 26 /* HTML5 display-role reset for older browsers */ 27 article, aside, details, figcaption, figure, 28 footer, header, hgroup, menu, nav, section { 29 display: block; 30 } 31 body { 32 line-height: 1; 33 } 34 ol, ul { 35 list-style: none; 36 } 37 blockquote, q { 38 quotes: none; 39 } 40 blockquote:before, blockquote:after, 41 q:before, q:after { 42 content: ''; 43 content: none; 44 } 45 table { 46 border-collapse: collapse; 47 border-spacing: 0; 48 }