JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width" />
    <link
          rel="stylesheet"
          href="https://cdn.jsdelivr.net/npm/@fancyapps/ui@5.0/dist/fancybox/fancybox.css"
          />
  </head>
  <body>
    <h3>
      Gallery A
    </h3>
    <div>
      <a href="https://lipsum.app/id/18/1600x1200" data-fancybox="gallerya">
        <img src="https://lipsum.app/id/18/200x150" />
      </a>

      <a href="https://lipsum.app/id/19/1600x1200" data-fancybox="gallerya">
        <img src="https://lipsum.app/id/19/200x150" />
      </a>

      <a href="https://lipsum.app/id/20/1600x1200" data-fancybox="gallerya">
        <img src="https://lipsum.app/id/20/200x150" />
      </a>
    </div>
    <h3>
      Gallery B
    </h3>
    <div>
      <a href="https://lipsum.app/id/18/1600x1200" data-fancybox="galleryb">
        <img src="https://lipsum.app/id/18/200x150" />
      </a>

      <a href="https://lipsum.app/id/19/1600x1200" data-fancybox="galleryb">
        <img src="https://lipsum.app/id/19/200x150" />
      </a>

      <a href="https://lipsum.app/id/20/1600x1200" data-fancybox="galleryb">
        <img src="https://lipsum.app/id/20/200x150" />
      </a>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/@fancyapps/ui@5.0/dist/fancybox/fancybox.umd.js"></script>
    <script>
      const gallery_titles = {
        gallerya : "Title A",
        galleryb : "Title B"
      }

      Fancybox.bind('[data-fancybox]', {
        idle: false,
        Carousel: {
          Navigation : false
        },
        Toolbar: {
          display: {
            left: [],
            middle: ["prev", "title", "infobar", "next"],
            right: ["close"],
          },
          items : {
            title : {
              tpl : '<div id="fancybox-toolbar-title"></div>'
            }
          }
        },
        on : {
          "Carousel.ready" : (fancybox, event) => {
            const...