body{
  display: flex;
  justify-content:center;
  align-items:center;
  height:100vh;
  margin:0px;
  padding: 0px;


  overflow:hidden;
  background-color: black;
}

#main{
  position:relative;
  flex:content;
  height:100vh;
}

canvas 
{
  aspect-ratio: 1;
}