rtal no-bg shrink invisible">
          <div class="mask-icon icon-skip"></div>
        </div>
        <div title="Pause" data-selector="#control_pause" data-parent-selector="#tab_control" droppable="true" class="portal no-bg shrink invisible">
          <div class="mask-icon icon-pause"></div>
        </div>
        <div title="Interrupt" data-selector="#control_interrupt" data-parent-selector="#tab_control" droppable="true" class="portal no-bg shrink invisible">
          <div class="mask-icon icon-stop">