#screen {
  position: relative;
  width: 95vw;
  height: calc(95vw * (2/3));
  max-height: 95vh;
  max-width: calc(95vh * (3/2));
  margin: auto;
}

#gameCanvas, #levelCanvas, #levelTopCanvas {
  position: absolute;
  height: 100%;
  width: 100%;
}

#levelCanvas {
  background-color: black;
}

#statCanvas {
  position: absolute;
  width: 100%;
  height: calc(100% * (1 / 15));
  left: 0;
  bottom: 0;
}