<div class="btn-group">
    <button class="btn btn-default dropdown-toggle" data-toggle="dropdown">Action <i class="fa fa-caret-down"></i></button>
    <ul class="dropdown-menu" role="menu">
      <li><a href="#" tabindex="-1">Action</a></li>
      <li><a href="#" tabindex="-1">Action Two</a></li>
    </ul>
  </div>