[wp-docs] Codex Pages Appear Broken

[Devin Price]

Hi all.  I've run across a number of broken codex pages in Chrome this 
weekend (stylesheet and other resources don't load).

Chrome gives this warning:
[blocked] The page at 
https://codex.wordpress.org/Function_Reference/add_menu_page ran 
insecure content from http://s.wordpress.org/style/codex-wp4.css?3.

Appears to be an issue with the SSL certificate?

The page appears fine in Firefox.

Here's an example page:
https://codex.wordpress.org/Function_Reference/add_menu_page

Cheers,
Devin Price