<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http:///TR/xhtml1/DTD/">
<html xmlns="http:///1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style>
a1{
position:relative;
}
a1 img{
position:absolute;
z-index:-1;
}
</style>
</head>
<body>
<div class="a1">
<img src=""/>
<div>你好你好你好</div>
</div>
</body>
</html>
