css结构
翻译过一篇：提高css的可读性 http://xo-tobacoo.iteye.com/blog/190498贴个例子，和我们管理管理java文档有异曲同工之妙：
html, body, div, p, ul, ol, li, form, fieldset, h1, h2, h3, h4, h5, h6, address { margin: 0; padding: 0; list-style: none; }html { background: #000 url('../images/bg-html.gif') repeat-x; }body { font: normal 62.8%/1.3 Tahoma, "Lucida Grande CE", lucida, sans-serif; color: #64030a; padding-bottom: 50px; background: url('../images/bg-body.jpg') 20% 0 no-repeat; }a { color: #660306; }a:hover { color: #c61116; text-decoration: underline !important; }a img { border:0; }input,select,textarea { font-family: lucida, sans-serif; font-size: 1em; vertical-align: middle; }input.button,select.button,textarea.button { background: #fff; padding: 2px 0; border: none; color: #000 !important; }button.button { margin: 0; padding: 0; height: 18px; border: none; text-decoration: underline; font-weight: bold; color: #00CCFF; cursor: pointer; }input.submit { width: 87px !important; height: 22px; overflow: visible; padding: 0 5px; color: #fff; font-weight: bold; border: none; cursor: pointer; }label { cursor: pointer; padding-right: 5px; line-height: 20px; }h1{ font-size: 2em; margin-bottom: .5em; }h2{ font-size: 1.7em; }h3{ font-size: 1.5em; }h4{ font-size: 1.3em; }h5{ font-size: 1.2em; }h6{ font-size: 1em; }h1, h2, h3, h4, h5, h6{ color: #c61116; }table { border-collapse: collapse; width: 100%; }table th { text-align: left; }table td.right{ padding-left: 5px; }table th.right{ padding-left: 5px; }table td.left { padding-right: 5px; }table th.left { padding-right: 5px; }blockquote{ margin: 0; padding: 10px 20px; color: #333333; line-height: 1.6; font-family: Georgia, serif; }fieldset { border: 0 !important; }/* -- User friendly features --*/.hidden { display: none; }.noscreen { width: 200px; position: absolute; left: -9999px; top: -9999px; }/* -- Basics layout -- */#view { position: relative; }#head { font-size: 1.2em; position: relative; z-index: 10; }#content{ font-size: 1.3em; position: relative; z-index: 1; }#menu { font-size: 1.2em; }#foot { font-size: 1.2em; position: relative; z-index: 1; }/* -- Main classes -- */.fr { float: right !important; }.fl { float: left !important; }.clear { clear: both !important; }.right { text-align: right !important; }.left { text-align: left !important; }.center { text-align: center !important; }.last { margin-right: 0 !important; margin-bottom: 0 !important; border-bottom: none !important; padding-bottom: 0 !important; background: none; }.small { font-size: .90em; }.big { font-size: 1.2em; }.biggest { font-size: 2.3em; }.light { color: #999999 !important; }.alt { font-weight: bold; }/* -- Main icons -- */.ico { position: relative; padding-right: 30px; height: 20px; padding-bottom: 2px; vertical-align: middle; background: 100% 0 no-repeat; }.ico-more { background-image: url('../images/ico/ico-more.gif'); }/* -- Forms layout -- */.formBox .lab { float: left; width: 19%; text-align: right; padding-right: 1%; }.formBox .con { float: right; width: 80%; }.formBox .button:focus{ border-color: #000; }/* -- Layout -- */#view { width: 954px; margin: 0 auto; padding: 0 5px; background: url('../images/bg-shadow.png') 0 77px no-repeat; }#head { height: 167px; }#menu { position: absolute; top: 83px; left: 5px; z-index: 100; width: 954px; height: 84px; overflow: hidden; background: #181502 url('../images/bg-menu.gif') no-repeat; }#content { padding: 25px 29px 40px 26px; margin-bottom: 3px; overflow: hidden; background-color: #fff; }#foot { height: 51px; padding: 12px 25px 0; background: #2b0b00 url('../images/bg-footer.gif') repeat-x; clear: both; }.subheader { margin-bottom: 24px; padding-left: 5px; font-weight: normal; font-family: Georgia, "New York CE", utopia, serif; }#printPage { position: absolute; right: 25px; top: 25px; }/* Header */#logotype { float: left; display: block; padding: 18px 12px; font-size: 3em; font-weight: normal; font-family: Georgia, "New York CE", utopia, serif; }#logotype,#logotype * { color: #fefea2; text-decoration: none !important; }/* Search Form */#searchForm { position: absolute; top: 0; right: 0; width: 300px; text-align: right; padding: 28px 1px; font-size: 1.1em; }#searchForm .button { width: 180px; height: 17px; padding: 5px 10px; margin-right: 5px; }#searchForm .submit { width: 87px !important; height: 29px; background: #c40000 url('../images/bg-search-submit.gif') no-repeat; } /* Menus */#mainMenu { position: absolute; top: 42px; left: 0; height: 42px; padding: 0 28px; }#mainMenu li { font-size: 1.5em; margin-right: 2px; float: left; }#mainMenu li a,#mainMenu li strong { display: block; width: 145px; height: 42px; float: left; padding-top: 10px; text-align: center; color: #fefea2; text-decoration: none !important; font-family: Georgia, "New York CE", utopia, serif; background: url('../images/bg-menu-item.gif') 0 0 no-repeat; }#mainMenu li strong { color: #c61116; font-weight: normal; background: #fff url('../images/bg-menu-item.gif') 0 -42px no-repeat; }#mainMenu li a:hover{ text-decoration: underline !important; }#subMenu { position: absolute; top: 0; right: 0; padding: 17px 26px; }#subMenu li { display: inline; margin-left: 8px; }#subMenu li a { color: #fffec5; }/* Right sidebox */#rightBlock { width: 274px; float: right; padding: 35px 0; }#rightBlock .box { position: relative; margin-bottom: 30px; }#rightBlock .submenu { margin-bottom: 50px; }#rightBlock .submenu .in { background: url('../images/bg-submenu_top.gif') no-repeat; }#rightBlock .submenu .in ul { padding: 1px 3px 1px 1px; font-size: 1.1em; background: url('../images/bg-submenu_bottom.gif') 0 100% no-repeat; }#rightBlock .submenu .in ul li a,#rightBlock .submenu .in ul li strong { display: block; height: 32px; padding: 12px 5px 0 30px; background: url('../images/bg-submenu-item.gif') 0 0 no-repeat; }#rightBlock .submenu .in ul li strong { color: #9c3134; background: #fffed5 url('../images/bg-submenu-item.gif') 0 -44px no-repeat; }#rightBlock .contact .in { padding: 30px 15px; height: 161px; background: #1f1b02 url('../images/bg-contact.gif') no-repeat; }#rightBlock .contact .in * { color: #fffed5; }#rightBlock .contact .in address { font-style: normal; margin-top: 20px; }#rightBlock .contact .in .phone { color: #fff; }#rightBlock .contact .in .more { position: absolute; bottom: 20px; right: 15px; }#rightBlock .rss a { display: block; height: 40px; color: #fffed5; padding: 20px 0 0 64px; text-decoration: none; background: #b65c02 url('../images/bg-rss.gif') no-repeat; }#rightBlock .rss a strong { text-decoration: underline; } /* Left content part */#contentBlock { width: 610px; float: left; padding: 25px 0; }#contentBlock .subheader{ margin-bottom: 20px !important; }/* Article items */#contentBlock .item { position: relative; width: 554px; padding: 20px 28px 0; margin-bottom: 10px; line-height: 1.4em; }#contentBlock .first { background: url('../images/bg-item_first.jpg') no-repeat; }#contentBlock .item .subheader { margin-bottom: 25px !important; padding: 0; }#contentBlock .item .date { position: absolute; top: 16px; right: 16px; width: 80px; height: 23px; text-align: center; font-size: 1.4em; color: #fff; padding-top: 6px; background: url('../images/bg-item_date.png') no-repeat; }#contentBlock .item .in { overflow: hidden; padding-bottom: 35px; background: url('../images/bg-item_separator.gif') 50% 100% no-repeat; }#contentBlock .last .in { background: none !important; }#contentBlock .item .in img,#contentBlock .item .in a img { border: 3px #d4a65d solid; }#contentBlock .item .in a:hover img { border-color: #a8803f; }#contentBlock .item .in img { margin: 2px 6px 15px 0; }#contentBlock .item .in img.left { float: left; margin: 2px 15px 10px 0; }#contentBlock .item .in img.right { float: right; margin: 2px 0 10px 15px; }#contentBlock .item .in ul,#contentBlock .item .in ol,#contentBlock .item .in p,#contentBlock .item .in table { margin-bottom: 2em; }#contentBlock .item .in ul { padding-left: 20px; }#contentBlock .item .in ol { padding-left: 35px; }#contentBlock .item .in ol li { list-style: decimal !important; }#contentBlock .item .in ul li { margin: 3px 0; padding-left: 15px; background: url('../images/bg-inlink.gif') 0 .4em no-repeat; }#contentBlock .item .in table td,#contentBlock .item .in table th { padding: 5px 10px; border: 1px #660306 solid; }#contentBlock .item .in table th { background-color: #660306; color: #fff; }/* Footer */#foot * { color: #fffec5; }#foot .menu { padding-bottom: 20px; }#foot .menu li { display: inline; margin-right: 16px; float: left; }#foot p.copy { float: left; clear: left; width: 48%; }#foot .support { position: absolute; top: 12px; right: 25px; width: 200px; text-align: right; }#foot .support .hotmix { margin-top: 4px; float: right; }#foot .support .hotmix a { position: relative; width: 55px; height: 13px; float: left; display: block; margin: 2px 0 0 5px; overflow: hidden; cursor: pointer; }#foot .support .hotmix a span { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: url('../images/bg-hotmix.gif') 0 0 no-repeat; }#foot .support .lt { position: relative; display: block; clear: both; float: right; right: -25px; top: 20px; }#foot .support .lt a { position: relative; width: 14px; height: 14px; display: block; overflow: hidden; cursor: pointer; }#foot .support .lt a span { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: url('../images/bg-lt.gif') 0 0 no-repeat; }#foot a:hover { color: #fff !important; }
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