.coord-sightline{background:rgba(42,42,42,.8);border-radius:4px;padding:5px;color:#edffff;font-size:15px}.coord-sightline .triangle{display:block;height:16px;width:16px;background-color:inherit;border:inherit;position:absolute;bottom:-8px;left:calc(50% - 8px);-webkit-clip-path:polygon(0 0,100% 100%,0 100%);clip-path:polygon(0 0,100% 100%,0 100%);-webkit-transform:rotate(-45deg);-ms-transform:rotate(-45deg);transform:rotate(-45deg)}