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

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("images/diagonal-lines-seamless-pattern-light-blue-stripes-background-abstract-minimalistic-wallpaper_497399-1123-2.jpg");
    background-repeat: repeat;
    background-position: 0 0;
    filter: hue-rotate(40deg) saturate(2.5) blur(5px);
    z-index: -1;
    animation: bg-scroll 4000s linear infinite;
}

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