html body {
    border: 10px;
    margin: 60px auto;
    width: 100%;
}
svg {
    padding: 0;
    margin: auto;
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 100vw;
    max-height: 100vw;
}
canvas{
    padding: 0;
    margin: auto;
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 100vw;
    max-height: 100vw;
}