body {
    background-color: white;
    color: black;
    font-family: Verdana;
    position: relative;
    background-repeat: repeat;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 150%;
    height: 150%;
    background-image: url("images/space.jpg");
    background-repeat: repeat;
    background-position: 0 0;
    filter: hue-rotate(50deg) saturate(1.5);
    z-index: -1;
    animation: bg-scroll 10000s linear infinite;
}

@keyframes bg-scroll {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 10000% 10000%;
  }
}