sydblack

Haha, ok, forget the whole issue.
It was a case of forgetting to log-in in both browsers. ??

Once I was logged in everywhere, everything displayed fine in both browsers

Yes, sadly no difference.

Not even re-installing XAMPP and WordPress on my machine fixed it.

And when I upload it to my server, it’s the opposit. IE uses the custom template and FF just goes with whatever it finds in index.php.

And that’s just too strange. I must be doing something seriously wrong in the code itself. Better go read some books and try from scratch.

Thanks anyway! ??
(oh, and here’s the url: https://kig.se/playground/wordpress/ )