n>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="basic2" class="col-lg-2 control-label">"Basic" (multiple, maxOptions=1)</label>

      <div class="col-lg-10">
        <select id="basic2" class="show-tick form-control" multiple>
          <option>cow</option>
          <option>bull</option>
     