Remove white space around web page using asp.net

I have a web page built in asp.net that I am having issues with.  For some reason, there is white space around all four sides of the webpage, top, bottom, left, right.  I would like for my webpage to be 100% of screen with no white space on the edges.  I built the web page using tables and rows.  I can't seem to fix the issue.  I am using css style sheets to control the height of rows and other attributes.  I have attached the code below.  Thanks for the help.
<<webpage below>>
 <%@ Page Language="VB" AutoEventWireup="false" CodeFile="temp_home.aspx.vb" Inherits="aa_templates_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></title>
    <style type="text/css"></style>
    <link href="../main_site.css" rel="stylesheet" type="text/css" />    
</head>
<body>
    <asp:Table ID="tb_Body" Width="100%" Height="100%" BackColor="White" runat="server">
        <asp:TableRow>
            <asp:TableCell HorizontalAlign="Center" VerticalAlign="Top">
            <asp:Table ID="tb_Body2" width="100%" CellPadding="0" CellSpacing="0" runat="server">
                <asp:TableRow CssClass="TopRow1">                    
                    <asp:TableCell>
                        <asp:Table ID="tb_Top_Menu" width="866" HorizontalAlign="Center" runat="server">
                            <asp:TableRow HorizontalAlign="Right">
                                <asp:TableCell>
                                <!-- #Include virtual="../aa_includes/menu_top1.txt" -->
                                </asp:TableCell>
                            </asp:TableRow>                            
                        </asp:Table>                                                                                                        
                    </asp:TableCell>
                </asp:TableRow>
                <asp:TableRow CssClass="TopRow2">                    
                    <asp:TableCell>
                        <asp:Table ID="Table1" width="866" HorizontalAlign="Center" runat="server">
                            <asp:TableRow HorizontalAlign="Right">
                                <asp:TableCell>
                                <!-- #Include virtual="../aa_includes/menu_top2.txt" -->
                                </asp:TableCell>
                            </asp:TableRow>                            
                        </asp:Table>                                                                                                        
                    </asp:TableCell>
                </asp:TableRow>
                <asp:TableRow CssClass="SpacerRow">
                    <asp:TableCell></asp:TableCell>
                </asp:TableRow>
                <asp:TableRow>                    
                    <asp:TableCell>
                        <asp:Table ID="Table2" width="866" Height="413" HorizontalAlign="Center" runat="server">
                            <asp:TableRow HorizontalAlign="Right">
                                <asp:TableCell BackColor="Yellow">                                
                                </asp:TableCell>
                            </asp:TableRow>                            
                        </asp:Table>                                                                                                                                                                    
                    </asp:TableCell>
                </asp:TableRow>
                <asp:TableRow CssClass="SpacerRow">
                    <asp:TableCell>&nbsp;</asp:TableCell>
                </asp:TableRow>
                <asp:TableRow>                    
                    <asp:TableCell>
                        <asp:Table ID="Table3" width="866" HorizontalAlign="Center" runat="server">
                            <asp:TableRow HorizontalAlign="Right">
                                <asp:TableCell>
                                    <asp:Table ID="Table4" height="175" runat="server">
                                        <asp:TableFooterRow>
                                            <asp:TableCell Width="275" BackColor="Aqua"></asp:TableCell>
                                            <asp:TableCell Width="20"></asp:TableCell>
                                            <asp:TableCell Width="275" BackColor="Blue"></asp:TableCell>
                                            <asp:TableCell Width="20"></asp:TableCell>
                                            <asp:TableCell Width="275" BackColor="Maroon"></asp:TableCell>                                        
                                        </asp:TableFooterRow>                                                                            
                                    </asp:Table>                                                                                                
                                </asp:TableCell>
                            </asp:TableRow>                            
                        </asp:Table>                                                                                                                                                                                                            
                    </asp:TableCell>
                </asp:TableRow>
                <asp:TableRow CssClass="SpacerRow">
                    <asp:TableCell></asp:TableCell>
                </asp:TableRow>
                <asp:TableRow CssClass="BottomRow">
                    <asp:TableCell CssClass="TopRowMenu">Copyright 2008-2009 © LW 9900 
                    Almeda Genoa Rd Thomas, LA 77075 (337) 910-1911</asp:TableCell>
                </asp:TableRow>                       
            </asp:Table>                        
            </asp:TableCell>    
        </asp:TableRow>
    </asp:Table>
</body>
</html>
 
<<style sheet below>>
body {
}
tr.TopRow1
{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: normal;
	font-style: normal;
	text-align: right;
	line-height: normal;
	vertical-align: middle;
	height: 30px;
	background-repeat: repeat;
	background-image: url('//aa_images/top_menu1_bg.gif');
	background-attachment: fixed;
	background-color: #75bee7;
}
tr.TopRow2
{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 16px;
	font-weight: normal;
	font-style: normal;
	text-align: right;
	line-height: normal;
	vertical-align: middle;
	background-color: #0997cc;
	height: 85px;
}
tr.BottomRow
{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: normal;
	font-style: normal;
	text-align: right;
	line-height: normal;
	vertical-align: middle;
	background-color: #75bee7;
	height: 85px;
}
tr.SpacerRow
{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: normal;
	font-style: normal;
	text-align: right;
	line-height: normal;
	vertical-align: middle;
	height: 20px;
}
td.TopRowMenu
{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: normal;
	font-style: normal;
	text-align: right;
	line-height: normal;
	vertical-align: middle;
	color: #FFFFFF;
	background-image:url('//aa_images/top_menu1_bg.gif');
}
td.TopRowMenu:hover
{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: bold;
	font-style: normal;
	text-align: right;
	line-height: normal;
	vertical-align: middle;
	color: #FFFF00;
	background-image: url('//aa_images/top_menu1_bg.gif');
	text-decoration: underline;
}
td.TopRowMenu:link
{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: normal;
	font-style: normal;
	text-align: right;
	line-height: normal;
	vertical-align: middle;
	color: #FFFF00;
	background-image: url('//aa_images/top_menu1_bg.gif');
	text-decoration: underline;
}
td.TopRowMenu2
{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 16px;
	font-weight: normal;
	font-style: normal;
	text-align: right;
	line-height: normal;
	vertical-align: middle;
	color: #FFFFFF;
}
td.TopRowMenu2:hover
{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 16px;
	font-weight: bold;
	font-style: normal;
	text-align: right;
	line-height: normal;
	vertical-align: middle;
	color: #FFFF00;
	text-decoration: underline;
}
td.TopRowMenu2:link
{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 16px;
	font-weight: normal;
	font-style: normal;
	text-align: right;
	line-height: normal;
	vertical-align: middle;
	color: #FFFF00;
}
td.TopRowMenuSeperators
{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: normal;
	font-style: normal;
	text-align: right;
	line-height: normal;
	vertical-align: middle;
	background-color: #99CCFF;
	color: #FFFFFF;
}

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main-site.zip
OB1CanobieAsked:
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dave-agCommented:
The css style (either inline or in your css section) for your <body> tag should include "margin:0px". That should do the trick in all browsers.
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OB1CanobieAuthor Commented:
That worked. Thanks.
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