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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
}

#game-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#game-canvas {
  display: block;
  image-rendering: pixelated;
}