Can I change the size or font in the view page source section from a browser?

Question

There is a small problem that might annoy me from time to time (idk if there are other people feel the same). Every time I use view page source from any browser, the text always

Answer 1

On linux platform (Ubuntu) the Custom.css file is in folder:

~/.config/google-chrome/Profile #/User Stylesheets/Custom.css