:root {
  --color-bg: #0a1020;
}

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

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--color-bg);
}

#$gameContainer {
  width: 100vw;
  height: 100vh;

  canvas {
    display: block;
    width: 100%;
    height: 100%;
  }
}