.treeview ul{ /*CSS for Simple Tree Menu*/
    margin: 0;
    padding: 0;
    }
    
    .treeview li{ /*Style for LI elements in general (excludes an LI that contains sub lists)*/
    background: white url(imgs/list.gif) no-repeat left center;
    list-style-type: none;
    padding-left: 22px;
    margin-bottom: 3px;
    }
    
    .treeview li.submenu{ /* Style for LI that contains sub lists (other ULs). */
    background: white url(imgs/closed.gif) no-repeat left 1px;
    cursor: hand !important;
    cursor: pointer !important;
    }
    
    
    .treeview li.submenu ul{ /*Style for ULs that are children of LIs (submenu) */
    display: none; /*Hide them by default. Don't delete. */
    }
    
    .treeview .submenu ul li{ /*Style for LIs of ULs that are children of LIs (submenu) */
    cursor: default;
    }