<div class="test">
<ul>
<li><a href="http://xxx.com"><img src="images/test.jpg" width="218px" height="218px"></a><br/><a href="http://xxx.com">说明文字</a></li>
<li><a href="http://xxx.com"><img src="images/test.jpg" width="218px" height="218px"></a><br/><a href="http://xxx.com">说明文字</a></li>
<li><a href="http://xxx.com"><img src="images/test.jpg" width="218px" height="218px"></a><br/><a href="http://xxx.com">说明文字</a></li>
<li><a href="http://xxx.com"><img src="images/test.jpg" width="218px" height="218px"></a><br/><a href="http://xxx.com">说明文字</a></li>
</ul>
</div>
.test{position:relative;display:block;border:1px solid #DADADA;width:958px;clear:both;height:520px;overflow:auto;zoom:1;}
.test ul{list-style-type:none;width:auto;margin:0px;padding:0;clear: both;}
.test ul li{display:block;float:left;width:220px;margin:5px 8px 5px 8px;height:240px;padding:1px;}
.test ul li:hover{border:1px solid #DADADA;}
.test ul li a{width:218px;text-decoration:none;}
.test ul li a:hover{text-decoration:underline;}
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>清除li:hover的浮动-www.jb200.com</title>
<style type="text/css">
*{margin:0;padding:0;}
.test{position:relative;display:block;border:1px solid #DADADA;width:auto;clear:both;height:520px; margin:20px;overflow:auto;zoom:1;}
.test ul{list-style-type:none;width:auto;margin:0px;padding:0; clear:both;}
.test ul li{display:inilne-block;float:left;margin:5px 8px 5px 8px;padding:1px;}
.test ul li a{width:218px; height:218px;text-decoration:none; display:block;border:1px solid #DADADA; text-align:center;}
.test ul li a:hover{text-decoration:underline; border:1px solid red;}
.test ul li a img{border:0;}
.test ul li p{text-align:center; margin-top:8px;}
</style>
</head>
<body>
<div class="test">
<ul>
<li><a href="http://xxx.com"><img src="images/test.jpg" /></a><p href="http://xxx.com">说明文字</p></li>
<li><a href="http://xxx.com"><img src="images/test.jpg" /></a><p href="http://xxx.com">说明文字</p></li>
<li><a href="http://xxx.com"><img src="images/test.jpg" /></a><p href="http://xxx.com">说明文字</p></li>
<li><a href="http://xxx.com"><img src="images/test.jpg" /></a><p href="http://xxx.com">说明文字</p></li>
</ul>
</div>
</body>
</html>
