<!-- The catalogs below are seperated into divs, when a new catalog needs to be added, copy & paste everything in "box 1 " and change the Heyzine link in the iframe, and the cover-image in the imag src, and the title in the

tag in the. AND IMPORTANTLY: Change the id, like "popup1" becomes: "popup2" for instance, both in the Href, but also the class--> <!--

-->