.tooltip{position:relative;background:rgba(0,0,0,.5);border-radius:4px;color:#fff;padding:4px 8px;opacity:.7;white-space:nowrap}.tooltip-measure{opacity:1;font-weight:700}.tooltip-static{background-color:#fc3;color:#000;border:1px solid #fff}.tooltip-measure:before,.tooltip-static:before{border-top:6px solid rgba(0,0,0,.5);border-right:6px solid transparent;border-left:6px solid transparent;content:"";position:absolute;bottom:-6px;margin-left:-7px;left:50%}.tooltip-static:before{border-top-color:#fc3}