JSFiddle - React, Tailwind, and code Playground

HTML

<div class="headline_story">
</div>
<div class="headline_story next">
</div>
<div class="headline_story">
</div>

CSS

.headline_story{
    background: red;
    margin: 10px;
    height: 30px;
}

.blue{
    background: blue !important;
}

JavaScript

$(function()
   {
       $('.next:last + headline_story').addClass('blue');   
   });