<html>
<head>
<style>
#top {position: absolute;top: 10px;left: 50%;width: 800px;margin-left: −400px;text-align: left;}
#left {position: absolute;top: 150px;left: 50%;width: 200px;margin-left: −400px;text-align: left;}
#main {position: absolute;top: 150px;left: 50%;width: 600px;margin-left: −200px;text-align: left;}
#right {position: absolute;top: 150px;left: 50%;width: 200px;margin-left: 0px;text-align: left;}
body { text-align: center; min-width: 800px;}
</style>
</head>
<body>
<div id="main">optimized main body</div>
<div id="left">left panel</div>
<div id="top">top panel</div>
<div id="right">right panel</div>
</body>
</html>