#menu_top {
   position: absolute;
   top: 0;
   left: 0;
   list-style: none;
   font-size: 100%;
   z-index: 5
}

#menu_top li {
   float: left;
   display: block;
   margin: 0 0 0 0;
   padding: 0;
}

#menu_top a,
#menu_top a:link,
#menu_top a:visited {
   display: block;
   list-style: none;
   background-color: transparent;
   color: #fff;
   font-weight: bold;
   margin: 0;
   padding:  4px 5px 7px 5px;
   text-decoration: none;
}

#menu_top a:focus,
#menu_top a:hover,
#menu_top a:active,
#menu_top a.selected:visited,
#menu_top a.selected:focus,
#menu_top a.selected:hover,
#menu_top a.selected:active  {
   display: block;
   color: #fff;
   text-decoration: none;
   background-image: url("../images/bg_menu_top.png");
   background-position: left bottom;
   background-repeat: no-repeat; 
}