body{margin:0;padding:0;font-family:sans-serif;background:#0b0c10;color:#c5c6c7;display:flex;justify-content:center;align-items:center;height:100vh}.wrapper{text-align:center;background:#1f2833;padding:40px;border-radius:10px;box-shadow:0 4px 15px rgba(0,0,0,0.5);width:320px}h2{margin-bottom:30px;color:#66fcf1;font-weight:400;letter-spacing:1px}.gauge{width:200px;height:200px;border-radius:50