HTML教程,HTML默认样式

html, address, blockquote, body, dd, div, dl, dt, fieldset, form, frame, frameset, h1, h2, h3, h4, h5, h6, noframes, ol, p, ul, center, dir, hr, menu, pre{display:block} li{display:list-item} head{display:none} table{display:table} tr{display:table-row} thead{display:table-header-group} tbody{display:table-row-group} tfoot{display:table-footer-group} col{display:table-column} colgroup{display:table-column-group} td, th{display:table-cell; } caption{display:table-caption} th{font-weight:bolder; text-align:center} caption{text-align:center} body{margin:8px; line-height:1.12} h1{font-size:2em; margin:.67em0} h2{font-size:1.5em; margin:.75em0} h3{font-size:1.17em; margin:.83em0} h4, p, blockquote, ul, fieldset, form, ol, dl, dir, menu{margin:1.12em0} h5{font-size:.83em; margin:1.5em0} h6{font-size:.75em; margin:1.67em0} h1, h2, h3, h4, h5, h6, b, strong{font-weight:bolder} blockquote{margin-left:40px; margin-right:40px} i, cite, em, var, address{font-style:italic} pre, tt, code, kbd, samp{font-family:monospace} pre{white-space:pre} button, textarea, input, object, select{display:inline-block; } big{font-size:1.17em} small, sub, sup{font-size:.83em} sub{vertical-align:sub} sup{vertical-align:super} table{border-spacing:2px; } thead, tbody, tfoot{vertical-align:middle} td, th{vertical-align:inherit} s, strike, del{text-decoration:line-through} hr{border:1pxinset} ol, ul, dir, menu, dd{margin-left:40px} ol{list-style-type:decimal} olul, ulol, ulul, olol{margin-top:0; margin-bottom:0} u, ins{text-decoration:underline} br:before{content: "A" } :before, :after{white-space: pre-line } center{text-align:center} abbr, acronym{font-variant:small-caps; letter-spacing:0.1em} :link, :visited{text-decoration:underline} :focus{outline:thindottedinvert} /*Beginbidirectionalitysettings (donotchange) */ BDO[DIR="ltr"]{direction:ltr; unicode-bidi:bidi-override} BDO[DIR="rtl"]{direction:rtl; unicode-bidi:bidi-override} *[DIR="ltr"]{direction:ltr; unicode-bidi:embed} *[DIR="rtl"]{direction:rtl; unicode-bidi:embed} @mediaprint{ h1{page-break-before:always} h1, h2, h3, h4, h5, h6{page-break-after:avoid} ul, ol, dl{page-break-before:avoid}

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