Idea: Code snippet dark mode

[zunamidev]

Issue Report

Improvement Idea: Code snippet background to dark in dark mode.

Why: It is logical that when I switch to the dark mode that also the code snippet background switches to a dark color don't stay white. Currently, it looks like this:

and I think it would be nice if it also has a dark color.

Alternative ideas:
I have no alternative idea

Sorry, I am new to open source and never done an issue before. :D

[orta]

Thanks, this is a duplicate of #342