JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//cdn.jsdelivr.net/jquery.gray/1.3.3/gray.min.css">
<script src="http://code.jquery.com/jquery-1.11.1.min.js"></script>
<script src="//cdn.jsdelivr.net/jquery.gray/1.3.3/jquery.gray.min.js"></script>
<img width="400" height="400" src="https://eogp.dk/wp-content/uploads/2017/06/ABL-Anja-Blitz3-1-400x400.jpg" class="img-responsive employee-portrait grayscale grayscale-fade" alt="" srcset="https://eogp.dk/wp-content/uploads/2017/06/ABL-Anja-Blitz3-1-400x400.jpg 400w, https://eogp.dk/wp-content/uploads/2017/06/ABL-Anja-Blitz3-1-150x150.jpg 150w, https://eogp.dk/wp-content/uploads/2017/06/ABL-Anja-Blitz3-1-360x360.jpg 360w" sizes="(max-width: 400px) 100vw, 400px">
    
<img width="400" height="400" src="https://eogp.dk/wp-content/uploads/2017/06/ANP-Anette-Pedersen-400x400.jpg" class="img-responsive employee-portrait grayscale grayscale-fade" alt="" srcset="https://eogp.dk/wp-content/uploads/2017/06/ANP-Anette-Pedersen-400x400.jpg 400w, https://eogp.dk/wp-content/uploads/2017/06/ANP-Anette-Pedersen-150x150.jpg 150w, https://eogp.dk/wp-content/uploads/2017/06/ANP-Anette-Pedersen-360x360.jpg 360w" sizes="(max-width: 400px) 100vw, 400px">