JSFiddle - React, Tailwind, and code Playground

HTML

<div class="test">
</div>

CSS

.test {
   position: absolute;
   width: 600px;
   height: 400px;
   left: 0px;
   background-image: url(http://placekitten.com/1000/400);
   background-size: 1000px;
   -webkit-animation: base linear 20s infinite; 
   background-position-x: 0px;
   background-position-y: 50%;
}

.test:after {
    content: "";
    position: absolute;
    left: 200px;
    width: 200px;
    top: 100px;
    height: 200px;
    border-radius: 50%;
    background: inherit;
    -webkit-transform: scale(1.1);
    -webkit-animation: inherit;
    -webkit-animation-delay: -4s;
}


@-webkit-keyframes base {
 0% {     background-position-x: 0px;
   }
   100% {    background-position-x: -1000px;
   }
}