 class="form-control">
                  </div>
                  <!-- /input-group -->
                </div>
                <!-- /.col-lg-6 -->
              </div>
              <!-- /.row -->

              <h4>With buttons</h4>

              <p class="margin">Large: <code>.input-group.input-group-lg</code></p>

              <div class="input-group input-group-lg">
                <div class="input-group-btn">
                  <button type="button" class="btn btn-warning dropdown-toggle" data-toggle