alcinnz, 
Hints & Suggestions (First, Do No Harm) - Miriamme Suzanne @ The 11ty International Symposium on Making Web Sites Real Good:
https://yt.drgnz.club/watch?v=iLxJ6PtuF9M&t=4191s (YouTube via Invidious)
Endorsed by Robin Rendle "The Cascade":
https://www.csscade.com/hints-and-suggestions