body
{
    position: relative;
    z-index: 0;
    background-attachment: fixed;
}

body::after
{
    content: "";
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 75vh;
    background-image: url("pumphill.png");
    background-repeat: repeat-x;
    background-size: auto 100%;
    image-rendering: pixelated;
    z-index: -1;
}

center
{
    position: relative;
    z-index: 1;
}