body {
  background-repeat: no-repeat !important;
  background-size: cover !important;
  background-position: center center !important;
  background-attachment: fixed !important; /
}

@media (max-width: 768px) {
  body {
    background-attachment: scroll !important; /* scroll on mobile */
    background-position: center top !important; /* adjust position on mobile */
  }
}