body {
    height: 100%;
    background: linear-gradient(
        color-mix(in srgb, var(--main-back) 70%, black 30%) 20%,
        #1e022e
    );
    overflow: hidden;
}

canvas {
    position: absolute;
    margin: 0;
    left: 0;
    top: 0;
    z-index: -999;
    filter: contrast(50);
}