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>
      <p>
        <button id="triggger">
          Launch Iframe
        </button>
      </p>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/@fancyapps/ui@5.0/dist/fancybox/fancybox.umd.js"></script>
    <script>
      document.getElementById("triggger").addEventListener("click", () => {
        Fancybox.show([
          {
            src: "https://fancyapps.com/iframe.html",
            type: "iframe",
            preload: false,
            width: 600,
            height: 300,
          },
        ]);
      });  
    </script>
  </body>
</html>