.barchart-tooltip{display:inline-block;position:relative}.barchart-tooltip .barchart-tooltiptext{visibility:hidden;color:#fff;text-align:center;z-index:1;background-color:#000;border-radius:6px;width:120px;margin-left:-60px;padding:5px 0;position:absolute;bottom:100%;left:50%}.barchart-tooltip:hover .barchart-tooltiptext{visibility:visible}