html,
body {
  flex-direction: row;
  overflow: hidden;
  touch-action: none;
  background: white;
}

canvas {
  box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.1), -2px 12px 10px rgba(0, 0, 0, 0.1);
  display: block;
  padding: 0;
  max-width: 100%;
  max-height: 100%;
  margin: auto;
  overflow: auto;
  position: fixed;
  object-fit: contain;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}