body {
  background: rgb(239, 239, 239); /*bgc*/
}

canvas {
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  
  position: absolute;
	margin: auto;
	overflow: hidden;
  object-fit: contain;
	max-width: 98%;
  max-height: 98%;
}