:root{color-scheme:dark}
*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden}
body{background:#000;touch-action:none;user-select:none;cursor:none}
.game{width:100%;height:100%;overflow:hidden;cursor:none}
canvas{display:block;width:100%;height:100%;touch-action:none;cursor:none}