#center{float:none;  margin:0 auto; width:1001px; height:auto; border-left:3px solid #ccc;  border-right:3px solid #ccc; border-bottom:3px solid #CCC; overflow:hidden}
#head{width:1001px; height:120px; margin-left:3px; margin-right:3px}
<!--#main_bg{ width:1001px; height:auto; margin-left:3px; margin-right:3px; background:#FFF;}-->