.whatsapp-btn{position:fixed;bottom:20px;right: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 rgb(0 0 0 / .3);animation:breathe 2s ease-in-out infinite}.whatsapp-btn svg{color:#fff;font-size:24px;animation:beat 2s ease-in-out infinite;text-decoration:none}@keyframes breathe{0%{box-shadow:0 0 0 0 rgb(37 211 102 / .5)}70%{box-shadow:0 0 0 15px #fff0}100%{box-shadow:0 0 0 0 #fff0}}@keyframes beat{0%{transform:scale(1)}50%{transform:scale(1.2)}100%{transform:scale(1)}}