body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgb(255, 255, 255);
}

canvas {
  max-width: 100%;
  max-height: 50%;
  object-fit:contain;
}