Examples not working

[cdalexndr]

Firefox 67.0.4 (64-bit)
Shouldn't the text expand to fit the container? This is what I see:

[lextoc]

Getting a 404 in the console for the library.

[luver65]

I see the same thing, although a test I did using codepen actually works perfectly! Kudos to the author!

[cdalexndr]

Now they resize for some time (up and down) until they are stable.

[remonator]

Did you take the link from the README? It looks the same for me from there.

But on the project's description is another link, which works fine, although the page's certificate is expired.