#dd {
  padding: 0;
}

#dd li {
  margin: 0;
  padding: 0;
  list-style: none;
  float: left;
  font: bold 11px arial;
}

#dd li a.menu {
  width: 100%;
  display: block;
  text-align: center;
  background: #FFFFFF;
  padding: 0;
  margin: 0;
  text-decoration: none;
}


#dd li a.menu:hover {
  background: #ffffcc;
}

.submenu {
  background: #FFFFFF;
  border: 0;
  visibility: hidden;
  position: absolute;
  filter: Alpha(opacity=90); /* IE系 */
  opacity:0.9; /* Mozzila系 */
  z-index: 3;
}

.submenu a {
  display: block;
  text-align: left;
  text-decoration: none;
  padding: 0;
}

.submenu a:hover {
	background-color: #EBF0FC;
}