html,
body {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("././assets/paper.avif");
    background-size: cover;
    background-position: center;
    z-index: -1;
}

canvas {
    display: block;
}