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>
    <div>
      <h3>First group</h3>

      <div>
        <a href="https://lipsum.app/id/1/1024x768" data-fancybox="gallery-a" data-caption="Gallery A #1">
          <img src="https://lipsum.app/id/1/200x150" />
        </a>
        <a href="https://lipsum.app/id/2/1024x768" data-fancybox="gallery-a" data-caption="Gallery A #2">
          <img src="https://lipsum.app/id/2/200x150" />
        </a>
        <a href="https://lipsum.app/id/3/1024x768" data-fancybox="gallery-a" data-caption="Gallery A #3">
          <img src="https://lipsum.app/id/3/200x150" />
        </a>
      </div>

      <h3>Second group</h3>

      <div>
        <a href="https://lipsum.app/id/4/1024x768" data-fancybox="gallery-b" data-caption="Gallery B #1">
          <img src="https://lipsum.app/id/4/200x150" />
        </a>

        <a href="https://lipsum.app/id/5/1024x768" data-fancybox="gallery-b" data-caption="Gallery B #2">
          <img src="https://lipsum.app/id/5/200x150" />
        </a>

        <a href="https://lipsum.app/id/6/1024x768" data-fancybox="gallery-b" data-caption="Gallery B #3">
          <img src="https://lipsum.app/id/6/200x150" />
        </a>
      </div>

    </div>
    <script src="https://cdn.jsdelivr.net/npm/@fancyapps/ui@5.0/dist/fancybox/fancybox.umd.js"></script>
    <script>
      Fancybox.bind('[data-fancybox]', {
        // Custom options for all galleries
      });  

      Fancybox.bind('[data-fancybox="gallery-a"]', {
        // Custom options for the first gallery
      });    

      Fancybox.bind('[data-fancybox="gallery-b"]', {
        // Custom options for the second gallery
        Carousel : {
          infinite: false
        }
      });  
    </script>
 ...