I'm not big on dark themed editors, but a lot of people are. Still, this same technique can be used to create a custom themed VFP editor / IDE. Also, I truly love the Roboto Mono.ttf font. It may be my new favorite font (surpassing Ubuntu Mono).

https://github.com/nftools/EditorThemes

https://github.com/google/fonts/raw/master/apache/robotomono/RobotoMono-Regular.ttf