.whats-btn{position:fixed;bottom:25px;right:25px;width:75px;height:75px;background:#fff;border-radius:50%;box-shadow:0 4px 15px #00000040;display:flex;justify-content:center;align-items:center;z-index:9999;transition:transform .25s ease;overflow:hidden}.whats-btn:hover{transform:scale(1.1)}.whats-img{width:100%;height:100%;object-fit:cover}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.whats-btn{animation:pulse 2.2s infinite}