Color coding of C# Code blocks

Howdy,

I have “language-csharp” installed but I’m now seeing any color coding in my preview window…
Here is a screen capture on my Atom window:

Any suggestions on how to fix this will be greatly appreciated.

Charles

Instead of C# use csharp.
(verified on Atom V1.44.0 Nightly2, One Dark theme)

Thanks, it now works!