div::part(region-handle-left):after,div::part(region-handle-right):after{content:"";position:absolute;bottom:-16px;right:-9px;width:16px;height:16px;border-radius:50%;background-image:url(/icons/double_arrows.png);background-size:cover;background-position:50%}div::part(region-handle-left):after{left:-9px}div::part(scroll){overflow:visible}