.whatsapp-btn{position:fixed;bottom:30rem;left:20px;z-index:9999;width:60px;height:60px;border-radius:50%;background-color:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 5px #0000004d;animation:breathe 2s ease-in-out infinite}.whatsapp-btn i{color:#fff;font-size:38px;animation:beat 2s ease-in-out infinite;text-decoration:none}@keyframes breathe{0%{box-shadow:0 0 #25d36680}70%{box-shadow:0 0 0 15px #25d36600}to{box-shadow:0 0 #0000}}@keyframes beat{0%{transform:scale(1)}50%{transform:scale(1.2)}to{transform:scale(1)}}