t-selector="#tab_control" droppable="true" class="portal invisible">
                              <div class="mask-icon icon-folder"></div>
                            </div>
                          </button>
                          <button class="sd-button">
                            <div data-selector="#save_control" data-parent-selector="#tab_control" droppable="true" class="portal invisible">
                              <div class="mask-icon icon-save"></div>
                            </div>
