ul#bfMenu {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 170px;
  position: relative;
}

ul#bfMenu li a {
  display: block;
  text-indent: -900%;
  outline: none;
  width: 100%;
}

ul#bfMenu li a:hover {
  background-position: left bottom;
}

ul#bfMenu li.menuItem {
  width: 170px;
  background: url(/fileadmin/_temp_/Calendar.png) no-repeat;
  padding: 0.3em 0;
  opacity: 0.75;
  filter:alpha(opacity=75);
}

ul#bfMenu li ul {
  margin-top: 0.4em;
}

ul#bfMenu li ul li.menuItem {
  background: url(/fileadmin/_temp_/Calendar.png) 10px 0 no-repeat;
  padding: 0.2em 0;
}

ul#bfMenu li.active,
ul#bfMenu li.menuItem:hover {
  opacity: 1;
  filter:alpha(opacity=100);
}