CSS二级菜单

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>子叶：测试css菜单显示效果</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Language" content="zh-cn" />
<meta http-equiv="imagetoolbar" content="false" />
<meta name="robots" content="all" />
<meta name="keywords" content="子乌,Sheneyan,子虚乌有,xhtml,html,js,css,php" />
<meta name="author" content="Sheneyan" />
<meta name="Description" content="子乌的站" />
<meta name="copyright" content="Copyright (c) 2004-2005 Sheneyan"/>
<meta name="MSSmartTagsPreventParsing" content="true" />

<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" />
<link rel="ICON" href="/favicon.ico" type="image/x-icon" />
<script type="text/javascript">
/**
*菜单的构造,需要绑定到onload
*/
startList = function() {
   if (document.all&&document.getElementById) {
   navRoot = document.getElementById("nav");
   for (i=0; i<navRoot.childNodes.length; i++) {
   node = navRoot.childNodes[i];
   if (node.nodeName=="LI") {
   node.onmouseover=function() {
   this.className+=" over";
   }
   node.onmouseout=function() {
   this.className=this.className.replace(" over", "");
   }
   }
   }
   }
}
window.onload=startList;
</script>
<style type="text/css" media="all">
/**
子乌的叶子css：主样式表
这个样式表的结构参考了<a href="http://www.zeldman.com">zeldman</a>的样式表结构
update:05.11.18
author:sheneyan
*/

html {min-width: 742px;}

/*css基本规则*/
img{border:0;}
p.access {display:none;}
div#counters{display:none;}/*计数器暂时不显示*/
a{text-decoration: none;}
/* 主要布局 */
body{
   overflow:auto;
   text-align: center;
   margin: 0 auto;
   padding: 0;
   border: 0;
   background: #fff;
   color: #000;
   font: small/18px "宋体", Verdana, Helvetica, sans-serif;
}
/**菜单的控制，根据<a href="http://www.alistapart.com/d/horizdropdowns/horizontal2.htm">css 菜单</a>修改而来*/
ul#nav,ul#nav ul{
   margin: 0 auto;
   text-align:left;
   padding: 0;
   list-style: none;
   background:#fff;
   z-index:99;
}
ul#nav {
   width:732px;
   display:block;
   height:24px;
   clear:both;
}

ul#nav li {
   position: relative;
   z-index:999;
   float:left;
}
ul#nav ul li{
   display:block;
}
ul#nav ul {
   width:100px;
   height:auto;
   position: absolute;
   text-align:left;
   left: 0px;
   display: none;
   border:solid 1px #697210;
}

/*当鼠标在子菜单和父菜单上时，父菜单的样式*/
ul#nav li.over a,ul#nav li:hover a{
   border-color:#E2144A;
   background: #fdd;
   font-weight:bold;
   color: #E2144A;
}
/*将子菜单的样式清除*/
ul#nav li.over ul a,ul#nav li:hover ul a{
   background:#fff;
   font-weight:normal;
   color:#777;
}
/*子菜单的hover样式*/
ul#nav li.over ul a:hover,ul#nav li:hover ul a:hover{
   background:#fff;
   font-weight:normal;
   color: #E2144A;
   background: #fdd;
   border-color:#E2144A;
   font-weight:bold;
}

/* Styles for Menu Items */
ul#nav a {
   font-size:14px;
   line-height:17px;
   display: block;
   padding:0 0 0 10px;
   width:78px;
   color: #777;
   height:17px;
   background: #fff;
   border-left:solid 1px #fff;
   border-top:solid 1px #fff;
   border-right:solid 1px #fff;
   border-bottom:solid 5px #697210;
}

ul#nav ul li{
   width:100px;
   border:0;
}
/* Fix IE. Hide from IE Mac /*/
* html ul#nav li { float: left; height: 17px; }
* html ul#nav li a { height: 17px; }
/* End */

ul#nav ul a { padding: 2px 0px 2px 10px;border:0;width:90px; } /* Sub Menu Styles */

ul#nav li:hover ul,ul#nav li.over ul { display: block; } /* The magic */
</style>
<body>
测试css菜单显示效果<br/>

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