*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  font-family: 'Courier New', monospace;
}

#gameCanvas {
  display: block;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  /* Safe area awareness for notch/punch-hole devices */
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}