html, body { margin: 0; padding: 0; overflow: hidden; background: #07070f; height: 100%; }
body { touch-action: none; overscroll-behavior: none; -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; -webkit-tap-highlight-color: transparent; }
canvas { display: block; touch-action: none; }