html, body {
  
  
  overflow: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
}

body {
    overflow: hidden;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
}

main, #canvas-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}



canvas {
    display: block;
    max-width: 100vw;
    max-height: 100vh;
    object-fit: contain;
}