body {
    margin: 0;
    width: 100vw;
    height: 100vh;
    background: grey;
    display: flex;
    justify-content: center;
    align-items: center;

    background-image: url('images/bg.jpg');
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
}

#canvasContainer {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

canvas {
    image-rendering: pixelated;
    width: 100%;
    height: 100%;
    max-width: 100vw;
    max-height: 100vh;
    box-shadow: 0 0 20px black;
    visibility: hidden;
}

#outerCanvas {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: -1;
}