html, body {
    background: none;
}

body {
    background-image: url("https://www.deland.org/ImageRepository/Document?documentID=3236");
    background-size: cover;       /* Makes the image fill the entire screen */
    background-repeat: no-repeat; /* Prevents tiling */
    background-position: center;  /* Centers the image */
    background-attachment: fixed; /* Keeps the image from moving on scroll */
    width: 100%;
}