body       { text-align: center }
#main_img   { display: none; margin-right: auto; margin-left: auto; width: 980px; height: 95px; clear: both }
#main_img img  { display: none; vertical-align: top }
#content    { margin-top: 10px; margin-right: auto; margin-left: auto; width: 640px; clear: both }
#center   { width: 640px; float: left }