.counter{font-size:3rem;font-weight:700;text-align:center;opacity:0;transform:translateY(20px);transition:opacity 0.5s ease-out,transform 0.5s ease-out}.counter.visible{opacity:1;transform:translateY(0)}.sticky{position:sticky;top:20px;background:#ff4757;padding:10px;color:#fff;font-weight:700;text-align:center}