<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "
www.w3.org">
<html xmlns="
www.w3.org">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Falan</title>
<style>
#on{z-index:600;position:absolute;left:200px;top:100px;background-color:#0F0;width:200px;height:200px;-moz-border-radius: 100px;border-radius: 100px;}
#arka{z-index:0;position:absolute;left:180px;top:100px;background-color:#999;width:100px;height:100px;-moz-border-radius: 50px;border-radius: 50px;transition: 1s;-moz-transition: 1s;-webkit-transition: 1s;-o-transition: 1s;}
#arka:hover{background-color:#C00;}
</style>
</head>
<body>
<div id="arka"></div>
<div id="on"></div>
</body>
</html>
şu şekilde deneyin. koordinatla tek tek yer vermek zor olur yalnız, hepsini tek bir divin içine koyarsanız daha rahat edersiniz.