.img-baby-g-about {
  width: 100%;
  height: 327px;
  animation: animateCloud 10s linear infinite;
  background-image: url(https://i.postimg.cc/T1nt9ZLk/Lv8L0.png);
  background-repeat: repeat-x;
  background position: 0 0;
}
    
@keyframes animateCloud  {0% {background position: 0 0;}100% {background-position: 1280px 0;}}