li.tab{border:solid #CCC;border-width:1px 0 0 1px;}li.lastTab{border:solid #CCC;border-width:1px 1px 0 1px;}.threeColumnHorizontialRule{background:#CCC;width:491px;height:1px;overflow:hidden;}.fourColumnHorizontialRule{background:#CCC;width:657px;height:1px;overflow:hidden;}#tabs ul{padding:0 16px;list-style-type:none;}#tabs ul li{padding:5px;float:left;text-align:center;}