body{background:#000;justify-content:center;align-items:center;height:100vh;margin:0;display:flex;overflow:hidden}.background{background:radial-gradient(circle,#f0f,#0ff,#ff4500,#0f0);width:100%;height:100%;animation:5s linear infinite psychedelic-bg;position:absolute}@keyframes psychedelic-bg{0%{filter:hue-rotate()}to{filter:hue-rotate(360deg)}}.ring{border:8px solid #fff;border-radius:50%;width:300px;height:300px;animation:2s ease-in-out infinite alternate pulse,5s linear infinite rotate;position:absolute;box-shadow:0 0 50px #fffc}@keyframes pulse{0%{opacity:.7;transform:scale(.8)}to{opacity:1;transform:scale(1.2)}}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}body{background:#000;margin:0;overflow:hidden}canvas{width:100vw;height:100vh;position:absolute;top:0;left:0}