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I'm not able to recreate the problem unfortunately - I just have an Amazon tablet and F12 seems to display ok with ipads. It's just standard bootstrap so theoretically it should not do anything like that. I'll update the post with a question to see if others are having the same problem.

I've posted a 20 second video showing what happens. It will continue until nothing is on the viewable screen. It does work fine on my desk top.

Thanks!

That's an ipad right?

yes sir..

Someone else in the comments reported the same problem with an ipad. I've just uploaded a new version which I think will fix it, but it's hard to tell as I don't have an ipad!

Still scrolling to the right😂

Ah no! I will have to do some googling :P