/* The container <div> - needed to position the dropdown content */
  li.expanded {
    position: relative;
    display: inline-block;
  }
  
  /* Dropdown Content (Hidden by Default) */
  .header .block-menu .expanded ul {
    display: none;
    position: absolute;
    z-index: 1;
  }  
  
  /* Show the dropdown menu on hover */
  li.expanded:hover .menu {display: block;}