\
<style type="text/css">
*{padding:0;margin:0;}
li{list-style:none;}
body{background:#ccc;}
/* wrap */
#wrap{width:620px;height:300px;overflow:hidden;margin:50px auto;position:relative;border:solid 2px #fff;}
#pic0{width:300px;height:300px;z-index:4;position:absolute;top:0px;left:320px;cursor:pointer;}
#pic1{width:280px;height:280px;z-index:3;position:absolute;top:10px;left:240px;cursor:pointer;}
#pic2{width:260px;height:260px;z-index:2;position:absolute;top:20px;left:160px;cursor:pointer;}
#pic3{width:240px;height:240px;z-index:1;position:absolute;top:30px;left:80px;cursor:pointer;}
#pic4{width:220px;height:220px;z-index:0;position:absolute;top:40px;left:0px;cursor:pointer;}
</style>