@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(360deg)}}body{background-color:#151119;color:#fff;margin:0;padding:0;height:100vh;display:flex;justify-content:center;align-items:center;font-family:Arial,sans-serif}.spinner{width:50px;height:50px;border:4px solid #333;border-top:4px solid #920ef8;border-radius:50%;animation:spin 1s linear infinite}