CSS Background animation

background-image-animation.css

.image-background {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background-image: url('https://cdn.suwalls.com/wallpapers/games/diablo-iii-18620-1920x1080.jpg');
  animation: backgroundAnimation 5s linear infinite;
}


@keyframes backgroundAnimation {
    0% {
      transform: rotate(0deg);
    }    
    100% {
      transform: rotate(360deg);
    }
}