body {
  margin: 0;
  padding: 0;
}
#windowDiv {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
#canvas-container {
  height: min(100%, 100vh);
  width: calc(min(100%, 100vh) * 0.8);
  max-height: 1000px;
  max-width: 800px;
  overflow: hidden;
}
#canvas-container canvas {
  width: 100% !important;
  height: 100% !important;
}