This is a screenshot of my markdown:

This is a screenshot of the resulting PDF:

The command I used:
mdpdf "D:\Dev\00 Research\CSharp\C# Cheat Sheet.md" --style C:\bin\github.css
I've attached the MD and PDF.
C# Cheat Sheet.md
C# Cheat Sheet.pdf
Would love a fix for this so I can migrate away from manually saving PDFs from Chrome.