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="open_fancybox" href="http://fancyapps.com/fancybox/demo/1_b.jpg"><img src="http://fancyapps.com/fancybox/demo/1_s.jpg" alt=""/></a>

CSS

.hidden {
    display: none;
}

JavaScript

$(".open_fancybox").click(function() {
    
    $.fancybox.open([
        {
            href : 'http://fancyapps.com/fancybox/demo/1_b.jpg',                
            title : '1st title'
        },
        {
            href : 'http://fancyapps.com/fancybox/demo/2_b.jpg',                
            title : '2nd title'
        },
        {
            href : 'http://fancyapps.com/fancybox/demo/3_b.jpg',                
            title : '3rd title'
        }
    ], {
        helpers    : {
            title    : {
                type: 'outside'
            },
            overlay    : {
                opacity : 0.8,
                css : {
                    'background-color' : '#000'
                }
            },
            thumbs    : {
                width    : 50,
                height    : 50
            }
        }
    });
    
    return false;
    
});