.drag-handle{position:absolute;width:0;height:0;top:0;left:0;margin-left:5px;margin-top:5px;border-right:10px solid transparent;border-top:10px solid var(--color-drag-handle);cursor:move}.dockable{position:relative}.dock-overlay{opacity:0.2;display:none;z-index:1;position:absolute;width:260px;height:5000vh;top:60px;bottom:0}#dock-overlay-left{left:0;right:auto}#dock-overlay-right{left:auto;right:0}.drag-active{outline:3px dotted #666;box-sizing:border-box;background:var(--color-drag-active)}.drag-over{background:yellow}