hover 变内容

<!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>无标题文档</title>
<style type="text/css">
div{
    width:50px;
    height:20px;
    line-height:20px;
    overflow:hidden;
    border:1px solid red;
    text-align:center;
    }
    a{
        wdith:50px;
        float:left;
        overflow:hidden;
        text-decoration:none;
        }
        span{
            margin-top:-20px;
            display:block;
            
            }
            a:hover{
                padding-top:20px;
                }
</style>
</head>

<body>
<div>
    <a href="#">
   <span> hover</span>
     默认
    </a>
   
</div>
</body>
</html>

 

posted @ 2016-11-14 18:42  Jinsuo  阅读(192)  评论(0编辑  收藏  举报