.tooltip{position:relative;display:inline-block;border-bottom:1px dotted #000}.tooltip .tooltiptext{visibility:hidden;width:auto;background-color:#000;color:#fff;text-align:center;border-radius:6px;padding:5px 2px;position:absolute;z-index:1;bottom:150%;left:50%;margin-left:-60px}.tooltip .tooltiptext:after{content:"";position:absolute;top:100%;left:50%;margin-left:-5px;border-width:5px;border-style:solid;border-color:#000 transparent transparent transparent}.tooltip:hover .tooltiptext{visibility:visible}