         <div class="mask-icon icon-2img2img"></div>
                            </div>
                          </button>
                          <button class="sd-button" data-click="#control_nav">
                            <div data-selector="#control_tab" data-parent-selector="#tab_control" droppable="true" class="portal invisible">
                              <div class="mask-icon icon-2control"></div>
                            </div>
                          </button>
                       