Mine

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html>
<head>
<title> </title>
<style type="text/css">
body {
background: url('background.gif') repeat-x;
margin: 0px;
padding: 0px;
}
#container {
width: 900px;
margin: 0px auto;
}
#header {
height: 39px;
}
#primaryRail {
width: 250px;
float: left;
}
#secondaryRail {
width: 250px;
float: left;
}
#content {
width: 400px;
float: right;
}
h1
p {
font-family: Arial;
font-size: 1em;
font-style: normal;
color: #858585;
}
</style>
</head>

<body>
<div id="container">
	<div id="header">
	  <p> Hello Header! </p>
	</div>
		<div id="content">
	  	  <p> Hello content! </p>
		</div>
			<div id="primaryRail">
		  	  <p> Hello primaryRail! </p>
			</div>
				<div id="secondaryRail">
		          	  <p> Hello secondaryRail </p>
				</div>
</div>
</body>

</html>