        <option></option>
            <option value="A">A</option>
            <option value="B">B</option>
            <option value="C">C</option>
          </select>
          <select id="span_large" class="select2 input-large">
            <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" class="control-l