html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  overscroll-behavior: none;
  user-select: none;
}

canvas {
  display: block;
  user-select: none;
  height: 100%;
  aspect-ratio: 16/9;
}

.loading {
  position: absolute;
  left: 50%;
  right: 50%;
  transform: translate(-50% -50%);
}