Interesting preservation. I also couldn't help but notice that the slides themselves were beautiful. I wonder if they were generated using a recent version of,

Interesting preservation. I also couldn't help but notice that the slides themselves were beautiful. I wonder if they were generated using a recent version of, e.g., Microsoft Office (the fonts look like those used in Modern UI) or if there's a beamer theme that looks like that. If there is one, do tell.