"NPBT" stands for "Norman's Pandoc Beamer Themes". Currently
the following themes are supported: Sefiroth Consulting: A
private (demonstration) theme. FOM: The layout of Hochschule
FOM. FOM ifes: The layout of Hochschule FOM, Institut fur
Empirie & Statistik. eufom: The layout of eufom.

Homepage:
https://ctan.org/pkg/beamertheme-npbt
