sans serif is more readable on a digital screen. at least that's what my shit education taught me. found this link: 
but I'm gonna stop myself before I spend my whole day down this rabbit hole
Graphic Design Stack Exchange
"Serifs improve fast, easy readability for long text" - myth or truth?
It's an old question, but an important one. Let's see if we can get a good, nuanced, ideally evidence-based answer.

So, old-school wisdom ...