Mine

<!-- css file -->
html, body 
{
	background-color:#3c3c3c;
	background: #3C3C3C  url(images/bg_repeat.gif) repeat-y;
	margin:0;
	padding:0;
	font-family:"Trebuchet MS", Arial, Verdana, Tahoma,  Helvetica, sans-serif;
	font-size:11px;
	color:#636363;
}
#wrap
{
	background: #3C3C3C url(~/images/bg_repeat.gif) repeat-y;
	margin:0 auto;
	padding:0;
	width:1000px; 
}
#innerwrap
{
	width:1000px;
	padding:0;
	margin:0 auto;
}


<!-- Default.aspx -->

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!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 runat="server">
    <title>Untitled Page</title>
<link href="images/default.css" rel="stylesheet" type="text/css" />
</head>
<body>
    <form id="gamerforce" runat="server">
    <div id="wrap">
        <div id="innerwrap">
            <div id="header">
                <asp:Image ID="Image1" runat="server" ImageUrl="~/images/GamerForceBanner.png" />
            </div><!-- end of <div id="header"> -->
        </div><!-- end of <div id="innerwrap"> -->
    </div><!-- end of <div id="wrap"> -->
    </form>
</body>
</html>