html, body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh; 
    margin: 0; 
}

.center-image img {
    max-width: 100%; 
    max-height: 100%; 
}
canvas {
  display: block;
}

svg {
    display: block;
    margin: auto;
}