no worries. By the way if they re-upload a revision the numerical part of the link will change and will likely no longer work.
Ideally, the fix might simply involve using the Itch app configuration to set the type and run methods as follows. I'm assuming that you experience the same small, non sizeable screen as I do when starting the game from their current itch page.
Kind of project
[x] HTML — You have a ZIP or HTML file that will be played in the browser
Embed options
How should your project be run in your page?
[x] Click to launch in fullscreen