body{display:flex;justify-content:center;align-items:center;height:100vh}.background{position:absolute;width:100%;height:100%;background:radial-gradient(circle,#ff00ff,#00ffff,#ff4500,#00ff00);animation:psychedelic-bg 5s linear infinite}@keyframes psychedelic-bg{0%{filter:hue-rotate(0deg)}to{filter:hue-rotate(1turn)}}.ring{position:absolute;width:300px;height:300px;border-radius:50%;border:8px solid white;animation:pulse 2s ease-in-out infinite alternate,rotate 5s linear infinite;box-shadow:0 0 50px rgba(255,255,255,.8)}@keyframes pulse{0%{transform:scale(.8);opacity:.7}to{transform:scale(1.2);opacity:1}}@keyframes rotate{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}canvas{width:100%;height:100%}body{margin:0;overflow:hidden;background:black}canvas{position:absolute;top:0;left:0;width:100vw;height:100vh}