html, body {
    margin: 0;
    padding: 0;
    overflow: hidden; 
    height: 100%;
  }
  
  canvas {
    display: block; 
    max-width: 100vw; 
    max-height: 100vh; 
    margin: auto;
  }

  #myUniqueCanvas {
    width: 100vw; 
    height: 100vh;
    display: block;
    margin: auto;  
  }