#gNav li a.menu {
  display: block;
  width: 133px;
  text-decoration: none;
  z-index: 10;
}

.submenu {
  visibility: hidden;
  position: absolute;
  z-index: 10;
}

.submenu a {
  display: block;
  border-top:#EFEFEF solid 1px;
  text-align: left;
  text-decoration: none;
  z-index: 10;
}