:root {
      color-scheme: dark;
  }

  html,
  body {
      margin: 0;
      height: 100%;
      overflow: hidden;
      background: #000;
      font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "IBM Plex Mono", monospace;
  }

  canvas {
      display: block;
  }