              <div class="row">
                <div class="col-xs-8 col-sm-6">
                  Level 2: .col-xs-8 .col-sm-6
                </div>
                <div class="col-xs-4 col-sm-6">
                  Level 2: .col-xs-4 .col-sm-6
                </div>
              </div>
            </div>
          </div>
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
          <button type="button" class="btn bt