If your feature request related to a problem, describe it here./如果你的功能和问题相关，在这里描述它。

No response

Describe your feature here./在这里描述你的功能。

如果文档不长，没有显示侧边滑块的时候，看不见面板之间的分割线，建议可以做点区分，比如加上条细一点的灰色竖线

Additional Information/附加信息

No response

检查清单 - Check list

• I have finished the title and deleted the hints. (keep the [FR] there)/我已经填好了标题并且删除了提示文本。(保留[FR]在原处)

  I have clearly described my feature./我已经清楚地描述了我想要的功能。

  I know it should be done by a theme./我知道这是主题应该完成的。

  It isn't a plugin feature./这不是一个插件功能。

  I didn't check all the checkboxes and therefore I just checked all of them. Please close and tag this feature request./我没有检查所有的复选框，只是闭眼选中了所有复选框。请关闭并标记这个功能请求。

  No plugin does this feature./没有插件完成这个功能。

  Not too hard for a theme to complete this feature./这个功能对主题来说不难实现。
  To pick up a draggable item, press the space bar. While dragging, use the arrow keys to move the item. Press space again to drop the item in its new position, or press escape to cancel.