body {
    background-image: url(https://imagedelivery.net/z-U07563zfRQsyBO1S-nDw/128627e9-990d-4316-3c86-873ca95a8500/fit);
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    background-color: #464646;
}