* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  background: #07060a;
  color: #e8e8ff;
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
  overflow: hidden;
}
body {
  display: flex;
  align-items: center;
  justify-content: center;
}
#game {
  background: #000;
  image-rendering: pixelated;
  box-shadow: 0 0 60px rgba(5, 217, 255, 0.15);
}