gistfile1.txt

<h1>Catalog</h1>

<div class="dropdown">
  <a class="dropdown-toggle" data-toggle="dropdown" href="#">Dropdown trigger</a>
  <ul class="dropdown-menu" role="menu" aria-labelledby="dLabel" id="menu1">
  <li  class="dropdown-submenu">
    <a class="dropdown-toggle" data-toggle="dropdown" tabindex="-1" href="#">Clothes</a>
    <ul class="dropdown-menu" id="clothes">
     <li class="dropdown-submenu" id="coats">Coats</li>
     <li class="dropdown-submenu" id="shirts">Shirts</li>
     <li class="dropdown-submenu" id="troussers">Troussers</li>
     <li class="dropdown-submenu"id="tshirts">Tshirts</li>
    </ul>
  </li>
  <li class="dropdown-submenu">
    <a tabindex="-1" href="#">Electronics</a>
    <ul class="dropdown-menu" id="electronics">
     <li id="laptops">laptops</li>
     <li id="phones">Phones</li>
    </ul>
  </li>
  <li class="dropdown-submenu">
    <a tabindex="-1" href="#">Home</a>
    <ul class="dropdown-menu" id="home">
     <li id="lamps">Lamps</li>
     <li id="tables">Tables</li>
     <li id="tv">TV</li>
    </ul>
  </li>
  <li class="dropdown-submenu">
    <a tabindex="-1" href="#">Sport</a>
    <ul class="dropdown-menu" id="sport">
     <li id="bikes">Bikes</li>
     <li id="ski">Ski</li>
    </ul>
  </li>
</ul>
</div>