html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  position: fixed;
  inset: 0;
  background: #111217;
  color: #fff;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  touch-action: none;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
}

#game {
  width: 100%;
  height: 100%;
  overflow: hidden;
  touch-action: none;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}

#game {
  position: relative;
}

#game::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0) 0,
      rgba(0, 0, 0, 0) 2px,
      rgba(0, 0, 0, 0.14) 2px,
      rgba(0, 0, 0, 0.14) 3px
    ),
    radial-gradient(
      ellipse at center,
      rgba(0, 0, 0, 0) 55%,
      rgba(0, 0, 0, 0.38) 100%
    );
  mix-blend-mode: multiply;
}