body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  overflow: hidden;
}

#unity-container {
  position: fixed;
  display: flex;
  aspect-ratio: ___ASPECT_RATIO___;
  width: min(calc(100vh*(___ASPECT_RATIO___)), 100vw);
  height: auto;
}