BETA version -- 4.1.7.162

[Admini]

A issue (?) when talking about Custom.css.
It's possible substitutes to fonts with Custom.css.

But, this code can't work properly.

Code:

@font-face { font-family: 'Roboto'; src: local('Arial'); }

Only for once. Later, the Roboto font can't overrided to Arial.

Best solution is to delete Roboto from %windir%\fonts folder, but I use it except Cent.

P.S. : Another matter; I know, Custom.CSS dont't support to chrome://settings/ . I would also like to subtitude the Roboto font in Settings pages.

This is probably because injected style(custom.css) was override by the web page's own style/script.
For better experience, we inject style at an early point of document loading.
So any style/script after that can override the injected style.
Have you tested it with Stylus?