I have made a very basic example for you below. Its actually fairly simple. Let me know if you need any help with it.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<style type="text/css">
<!--
#outer {
background-color:#000000}
#inner {
width:200px;
height:100px;
margin-left:auto;
margin-right:auto;
background-color:#0000FF}
-->
</style>
</head>
<body><div id="outer"><div id="inner"></div></div>
</body>
</html>
Print