body {
  display: flex;
  overflow: hidden;
  height: 100vh;

  justify-content: center;
  background-color: #000000;
}

#defaultCanvas0 {
  display: block;
  max-width: 95vw !important;
  max-height: 95vh !important;

  right: 0;
  top: 0;
  object-fit: contain;
}