.stopwatch{background:#fff;padding:20px;border-radius:10px;box-shadow:0 0 20px rgba(0,0,0,.2);text-align:center;width:90%;max-width:520px;margin:0 auto}.time{font-size:2.3em;margin-bottom:20px;font-family:monospace}.buttons button{background:#34639b;color:#fff;border:none;padding:10px 20px;margin:5px;border-radius:5px;cursor:pointer;font-size:1em;transition:background .3s}.buttons button:hover{background:#13806a}.buttons button:active{transform:scale(.98)}.digit{display:inline-block;transition:transform .3s ease}.digit.animate{transform:translateY(-5px)}