<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> xx </title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<style>
#linNav{position:absolute;z-index:1000;}
#linNav ul,li{padding:0;margin:0;}
#linNav ul li{float:left;margin-right:1px; display:inline;list-style:none;text-align:center;width:45px;font-size:12px;}
#linNav ul li ul li{float:none;display:block;position:relative;}
#linNav ul li ul{display:none;}
#linNav ul a{line-height:18px;height:18px;}
#linNav ul li ul li .aaa{position:absolute;left:45px;top:0;}
#linNav ul li ul li .aaa li{float:none;}
.bbb{background:#ffff00;}
</style>
<script src="js/jquery-1.7.1.min.js" /></script>
</head>
<body>
<div );//给li下面ul是aaa的样式的前一个同辈元素添加css;
})
</script>
</body>
</html>
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