body {
  background-color: black;
  color: white;
  font-family: Arial;
  animation: slideBackground 1000s linear infinite;
  }
  
  /* Define animation keyframes */
@keyframes slideBackground {
  0% {
    background-position: 0px 0px; /* Start position */
  }
  100% {
    background-position: 159600px 0px; /* End position */
  }
}