div显示提示信息
<body>
<style type="text/css"> a.link{position:relative;} a.link div.tips{
border:1px solid #333;
padding:10px;
background-color:#ff0;
position:absolute;
top:16px;
left:0px;
display:none;
} a.link:hover{}
a.link:hover div.tips{
display:inline;
}
</style>
<a href="#" class="link">
<div class="tips">i am tips.</div>
</a>
</body>