.btn-waves{border-radius:inherit;inset:0;overflow:hidden;pointer-events:none;position:absolute}.btn-wave{animation:btn-wave-pulse calc(2s*var(--waves)) ease-out infinite;animation-delay:calc(2s*var(--i));background:#f4f4f4;border-radius:50%;height:10rem;left:-10rem;opacity:.1;position:absolute;top:3rem;width:10rem}@keyframes btn-wave-pulse{to{opacity:0;transform:scale(10)}}