.tooltip{position:relative;display:inline-block;border-bottom:1px dotted #3b81b0}.tooltip .tooltiptext{visibility:hidden;width:120px;background-color:#3b81b0;color:white;text-align:center;padding:2px 0;border-radius:6px;position:absolute;left:-50%;top:-110%;z-index:1}.tooltip:hover .tooltiptext{visibility:visible}