.number{background:#fff;color:#1e3c72;width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;box-shadow:0 4px 15px rgba(0,0,0,.2);transition:transform .3s ease}.number:hover{transform:scale(1.1)}.powerball{background:#f00;color:white}