CSS Basics: Fallback Font Stacks for More Robust Web Typography

I’m going to (very) mildly disagree with @chriscoyier here and suggest that this is in fact classic progressive enhancement of your site’s fonts.

Either way, the result is that you have fonts that work, no matter the conditions! #cssbasics

https://css-tricks.com/css-basics-fallback-font-stacks-robust-web-typography/