#main_navigation{margin:0;padding-left:15px;width:470px;padding-right:0;padding-top:0;padding-bottom:0;}#main_navigation li{float:left;list-style:none;font:10px Tahoma,Arial;margin-left:0;}#main_navigation li a{display:block;background:#EEF;padding:3px 6px 2px 6px;text-decoration:none;border-right:1px solid EEEEFF;width:auto;color:#333;white-space:nowrap;}#main_navigation li a:hover{background:#ccc;}#main_navigation li ul{margin:0;padding:0;position:absolute;visibility:hidden;border-top:1px solid EEEEFF;}#main_navigation li ul li{float:none;display:inline;margin-left:0;}#main_navigation li ul li a{width:auto;background:#EEF;}#main_navigation li ul li a:hover{background:#ccc;}