JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://fancyapps.com/fancybox/source/jquery.fancybox.js"></script>
<link rel="stylesheet" href="http://fancyapps.com/fancybox/source/jquery.fancybox.css">
<a class="fancybox" href="http://fancyapps.com/fancybox/demo/1_b.jpg"><img src="http://fancyapps.com/fancybox/demo/1_s.jpg" alt=""/></a>

<a class="fancybox" href="http://fancyapps.com/fancybox/demo/2_b.jpg"><img src="http://fancyapps.com/fancybox/demo/2_s.jpg" alt=""/></a>

JavaScript

// Activate fancyBox
$(".fancybox")
    .attr('rel', 'gallery')
    .fancybox({
        padding : 10,
        overlayShow   : false,
        overlayOpacity    : 1,
        overlayColor      : '#fff'
    });


// Launch fancyBox on first element
$(".fancybox").eq(0).trigger('click');