Dropdown

    <div class="dropdown gmd">
      <button class="btn btn-default gmd dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
      Dropdown
      <span class="caret"></span>
      </button>
      <ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
        <li class="dropdown-header">Dropdown header</li>
        <li><a href="#">Action</a></li>
        <li><a href="#">Another action</a></li>
        <li><a href="#">Something else here</a></li>
        <li role="separator" class="divider"></li>
        <li><a href="#">Separated link</a></li>
      </ul>
    </div>