<!DOCTYPE html>
<html>
<head>
<title>鼠标经过时有提示信息</title>
<meta name="content-type" content="text/html; charset=UTF-8">
</head>
<style type="text/css">
.tishi{
position:relative; /*这个是关键*/
z-index:2;
}
.tishi:hover{
z-index:3;
background:none; /*没有这个在IE中不可用*/
}
.tishi span{
display: none;
}
.tishi:hover span{ /*span 标签仅在 :hover 状态时显示*/
display:block;
position:absolute;
top:21px;
left:9px;
15em;
border:1px solid black;
background-color:#ccFFFF;
padding: 3px;
color:black;
}
</style>
<a class="tishi" href="#">On Here<span>Hello Word</span></a>
</html>