Great idea. One bug I noticed: once you open the pro view modal, the close button doesn't work to close it. Clicking the background (off modal) doesn't close it either.
Thank you for your feedback! I tested it on Mac OSX on Chrome, Safari, Firefox and Opera. What system/browser are you using?
embed.tawk.to (which is serving part of the javascript for that modal) seems to be blocked by some filter lists like AdGuard Annoyances due to, I presume, tawk mostly serving Live Chat popups.