* { margin:0; padding:0;}
body { text-align:center; background:url(images/body_bgd.gif) center top;}
.site_center {position:relative; width:100%; text-align:center;}
.tall_box {position:absolute; width:100%;}
.tall_top_left { background:url(images/tall_top_left.gif) center top repeat-x; width:49%; height:558px; float:left; }
.tall_top_right { background:url(images/tall_top_right.gif) center top repeat-x; width:51%; height:558px; float:right;}