html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #02081a;
  overscroll-behavior: none;
}

body {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

#game {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #02081a;
  touch-action: none;
  cursor: crosshair;
}