body, html { 
  width:100%;
  height:100%;
  /* background-color:lightgray; */
  background-color: #ffffff;
  /* background-color: #000000; */
  margin: 0;
  padding:0;
  align-items:
  center;
  justify-content:center;
  display:flex;
  overflow:hidden
}

canvas {
  /* position:absolute; */
  inset: 0;
  object-fit: contain;
  /* border: solid 0.75vh #ffffff; */
  /* width:100%!important; */
  /* height:100%!important; */
}