.warning-icon{position:relative}.customers_tooltiptext{visibility:hidden;width:120px;background-color:#555;color:#fff;text-align:center;border-radius:6px;padding:5px 0;position:absolute;z-index:1;-webkit-transform:translateY(30px);transform:translateY(30px);opacity:0;-webkit-transition:opacity .3s;transition:opacity .3s}.warning-icon:hover+.customers_tooltiptext{visibility:visible;opacity:1}