JSFiddle - React, Tailwind, and code Playground

HTML

<div class="work-showcase">
  
  <ul>
    
    <li>Test</li>
    
  </ul>
  
</div>

CSS

ul li {background:url('http://www.placekitten.com/300/300') top left; height:150px; width:150px; display:block;}

JavaScript

$('.work-showcase').click(function(){

  $(this).find('ul li').css('background-position-x','100px');

});