body {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-weight: 300;

  text-align: center;
  margin-top: 10rem;

  animation: scroll 70s linear infinite;
  background: url("https://images.unsplash.com/photo-1541280910158-c4e14f9c94a3?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=2070&q=80"), #111111;
  color: #eee;
  height: 100vh;
  min-width: 360px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
  perspective-origin: 50% 50%;
 
}

@keyframes scroll {
   100%{
    background-position:0px -3000px;
  }
}

@media (prefers-reduced-motion) {
  .body {
    animation: scroll 200s linear infinite;
  }
}