menu.css

/*** Nav bar styles ***/

div.block-menu div.mntop {
  background-image: url(imgs/menu_top.gif);
  background-repeat: no-repeat;
  padding-top: 5px;
}
div.block-menu div.content {
  background: url(imgs/menu_bottom.gif) no-repeat left bottom;
  padding-bottom: 5px;
}
.block-menu ul {
  margin: 0px;
  padding: 0px;
  background-image: url(imgs/menu_bg.gif);
  z-index: 200;
}
.block-menu li.expanded {
  background: url(imgs/arrow-right.png) no-repeat right center;
}
.block-menu ul li {
  list-style:none; 
  padding: 8px 15px;
  border-bottom: 1px solid #189BD7;
  width:155px;
}
.block-menu ul li.last {
  border-bottom: none;
}
.block-menu ul li:hover {
  position:relative;
}

/*Sub Menu*/
.block-menu ul ul {
  display:none;
  position:absolute;
  left:75px;
  top:5px;
}
.block-menu li:hover > ul {
  display:block;
}
.block-menu li:hover > ul > ul {
  display:none;
}  
.block-menu li a {
  color: #fff;
  display: block;
  text-decoration: none;
}
.block-menu li a:hover {
  color: #fff;
  text-decoration: underline;
}
.block-menu li a.active {
  font-weight: bold;
}