.whatsapp-button {position: fixed;left: +60px;bottom: 90px;transform: translate(-50%, -50%);background: #25D366;border-radius: 50%;width: 50px;height: 50px;color: #fff;text-align: center;line-height: 50px;font-size: 30px;z-index: 9999;}.whatsapp-button a {color: #fff;}.whatsapp-button:before, .whatsapp-button:after {content: " ";display: block;position: absolute;border: 50%;border: 1px solid #25D366;left: -20px;right: -20px;top: -20px;bottom: -20px;border-radius: 50%;animation: animate 1.5s linear infinite;opacity: 0;backface-visibility: hidden;}.whatsapp-button:after{animation-delay: .5s;}@keyframes animate {0% {transform: scale(0.5);opacity: 0;}50% {opacity: 1;}100% {transform: scale(1.2);opacity: 0;}}