.balloon-arrow:before{content:"";position:absolute;left:16px;bottom:100%;width:9px;height:7px;background:#2d3e50;-webkit-clip-path:polygon(50% 0,0 100%,100% 100%);clip-path:polygon(50% 0,0 100%,100% 100%)}@media (min-width: 768px){.balloon-arrow:before{left:auto;right:100%;top:16px;bottom:unset;width:9px;height:12px;margin-right:-1px;-webkit-clip-path:polygon(0 50%,100% 0,100% 100%);clip-path:polygon(0 50%,100% 0,100% 100%)}}