"control-group">
        <label for="multiple" class="control-label">Select2 multi select</label>
        <div class="controls">
          <select id="multiple" class="select2" multiple="multiple" style="width:400px;">
            <option></option>
            <option value="A">A</option>
            <option value="B">B</option>
            <option value="C">C</option>
          </select>
        </div>
      </div>

      <div class="control-group">
        <label for="single-append" class="control-label">