<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; UTF-8" /> <style type="text/css"> body { margin-top: 0px; background-color: #B1946C; } #mainContainer { width: 750px; margin: 0 auto; } #mainHeader { background-color: #FF0; min-height: 91px; } #topNav { min-height: 30px; color: #ffffff; background-color: #000; } #content { background-color: #FFF; height: 700px; } #catList { width: 710px; } .catBox { float: left; width: 170px; background-color: #F00; min-height: 180px; margin: 10px; } #footer { width: 100%; min-width: 750px; background-color:#0F6; } </style> </head> <body> <div id="mainContainer"> <div id="mainHeader">Header</div> <div id="topNav">top nav</div> <div id="content"> <div id=catList> <div class="catBox">cat 1</div> <div class="catBox">cat 2</div> <div class="catBox">cat 3</div> <div class="catBox">cat 4</div> <div class="catBox">cat 5</div> <div class="catBox">cat 6</div> </div> </div> <div id="footer">footer</div> </div> </body> </html>