Support for dark themes

[Wikunia]

I can't read the answer nor can I read the list of questions when I'm searching.

Should be working by having the .dark class in your css.
This is an example of my own code but it's quite old. Maybe it helps anyway:
https://github.com/Wikunia/brackets-QuickDocsPHP/blob/master/WebPlatformDocsPHP.less