JSFiddle - React, Tailwind, and code Playground

HTML

<div class="mainContent"></div>

CSS

.mainContent {
    width:960px;
    height:388px;
    background:url('http://www.wearewebstars.dk/codepen/img/s1.png') repeat-x 0 0;
    background-color:#58e9a3;
    -webkit-animation: play 1s linear infinite;
    -moz-animation: play 1s linear infinite;
    -ms-animation: play 1s linear infinite;
    animation: play 1s linear infinite;
}
@-webkit-keyframes play {
    0% {
        background-position: 0px 0px;
    }
    50% {
        background-position: 0px -190px;
    }
    100% {
        background-position: 0px -300px;
    }
}
@keyframes play {
    0% {
        background-position: 0px 0px;
    }
    50% {
        background-position: 0px -190px;
    }
    100% {
        background-position: 0px -300px;
    }
}