纯CSS下拉导航菜单

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "<a href="http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" target="_blank">http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd</a>">
<html xmlns="<a href="http://www.w3.org/1999/xhtml" target="_blank">http://www.w3.org/1999/xhtml</a>">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>CSS菜单--下拉菜单</title>
<style>
/*Author:5key.net*/
body{
background-color:white;
font-size:12px;
font-family:Arial, Helvetica, sans-serif;
margin:0px;
padding:0px;
color:white;
}
ul,li{
margin:0px;
padding:0px;
}
li{
display:inline;
list-style:none;
list-style-position:outside;
text-align:center;
font-weight:bold;
float:left;
}
a:link{
color:#336601;
text-decoration:none;
float:left;
width:100px;
padding:3px 5px 0px 5px;
}
a:visited{
color:#336601;
text-decoration:none;
float:left;
padding:3px 5px 0px 5px;
width:100px;
}
a:hover{
color:white;
float:left;
padding:3px 3px 0px 20px;
width:88px;
text-decoration:none;
background-color:#539D26;
}
a:active{
color:white;
float:left;
padding:3px 3px 0px 20px;
width:88px;
text-decoration:none;
background-color:#BD06B4;
}
#nav{
    width:600px;
    height:30px;
    border-bottom:0px;
    padding:0px 5px;
    position:absolute;
    z-index:1;
    left: 198px;
    top: 25px;
}
.list{
line-height:20px;
text-align:left;
padding:4px;
font-weight:normal;
}
.menu1{
width:120px;
height:auto;
margin:6px 4px 0px 0px;
border:1px solid #9CDD75;
background-color:#F1FBEC;
color:#336601;
padding:6px 0px 0px 0px;
cursor:hand;
overflow-y:hidden;
filter:Alpha(opacity=70);
-moz-opacity:0.7;
}
.menu2{
width:120px;
height:18px;
margin:6px 4px 0px 0px;
background-color:#F5F5F5;
color:#999999;
border:1px solid #EEE8DD;
padding:6px 0px 0px 0px;
overflow-y:hidden;
cursor:hand;
}
</style>
</head>

<body>
<div id="nav">
    <ul>
    <li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">我的首页    
    <div class="list">
        <a href="#">我的CHINAY</a><br />
        <a href="#">我的首页</a><br />
        <a href="#">我的日志</a><br />
        <a href="#">我的日志</a><br />
        <a href="#">我的相册</a><br />
        <a href="#">我的收藏</a><br />
    </div>
    </li>
    <li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">社区圈子
    <div class="list">
        <a href="#">我的CHINAY</a><br />
        <a href="#">我的首页</a><br />
        <a href="#">我的日志</a><br />
        <a href="#">我的相册</a><br />
        <a href="#">我的收藏</a><br />
    </div>
    </li>
    <li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">我的短信    
    <div class="list">
        <a href="#">我的CHINAY</a><br />
        <a href="#">我的相册</a><br />
        <a href="#">我的收藏</a><br />
    </div>
    </li>
    <li class="menu2" onMouseOver="this.className='menu1'" onMouseOut="this.className='menu2'">账户管理    
    <div class="list">
        <a href="#">我的CHINAY</a><br />
        <a href="#">我的首页</a><br />
        <a href="#">我的日志</a><br />
        <a href="#">我的相册</a><br />
        <a href="#">我的收藏</a><br />
        <a href="#">我的日志</a><br />
        <a href="#">我的相册</a><br />
        <a href="#">我的收藏</a><br />
    </div>
    </li>
    </ul>
</div>
</body>
</html>
原文地址:https://www.cnblogs.com/wangdahai/p/5430585.html