JSFiddle - React, Tailwind, and code Playground

HTML

<div id="one" class="active same-class">FREE DISC Profile</div>

<div id="two" class="same-class">Last Minute Availability</div>

<div id="three" class="same-class">Bespoke Training</div>

CSS

.same-class { background: red; margin: 20px; width: 200px; height: 50px; }

.active { background: blue; }

JavaScript

jQuery('.same-class').click(function(){
  jQuery('.same-class').removeClass('active');
  jQuery(this).addClass('active');
});