[ptlu]

Works in my FF 67.

[Faark]

Works on my FF 69 as well, but the text select behavior is weird at best.

The page did NOT work on my Edge 44, even after disabling uBlock.

[burk96]

Repeating repeatable results, works on 68 beta and 67.0.3 here

[vinay427]

Same, it works for me on 67.0.3.