     <option class="get-class" disabled>ox</option>
          <optgroup label="test" data-subtext="another test">
            <option>ASD</option>
            <option selected>Bla</option>
            <option>Ble</option>
          </optgroup>
        </select>
      </div>
    </div>
  </form>

  <hr>
  <form class="form-horizontal" role="form">
    <div class="form-group">
      <label for="maxOption2" class="col-lg-2 control-label">multiple, show-menu-arrow, maxOptions=2</label>

      <div class="col-lg