.card_height_position{min-height:100vh}.tooltip{position:relative}.tooltip .tooltiptext{visibility:hidden;width:80px;background-color:#a7a7a7;color:#fff;text-align:center;padding:2px 5px 2px 5px;border-radius:4px;position:absolute;z-index:20;bottom:100%;left:50%;margin-left:-40px}.tooltip:hover .tooltiptext{visibility:visible}