*{margin:0;padding:0;box-sizing:border-box;}
html,body{width:100%;height:100%;overflow:hidden;background:#070510;}
body{display:flex;align-items:center;justify-content:center;background:#070510;}
canvas{display:block;touch-action:none;background:#070510;box-shadow:0 0 60px rgba(40,20,80,0.6);}