/* Custom CSS for Multilevel Dropdown */
    .dropdown-menu .dropdown-menu {
      margin-left: 0;
      margin-right: 0;
    }
    
    .dropdown-menu > .dropdown-submenu:hover > .dropdown-menu {
      display: block;
    }

    .dropdown-submenu {
      position: relative;
    }

    .dropdown-submenu > .dropdown-menu {
      top: 0;
      left: 100%;
      margin-top: -1px;
    }