#dd{}#dd .mainmenu{margin:0;float:left}UL#dd{list-style-type:none}#dd .mainmenu a.menu{display:block}#dd .mainmenu a.menu:hover{}.submenu{visibility:hidden;position:absolute}.submenu a{display:block}.submenu a:hover{}.submenu{filter: alpha(Opacity=80);opacity:.85}