Classes (and IDs) aren’t owned by CSS
While I was doing some research for a new talk I am preparing, I just found out this explanation written by Jeremy Keith, in response to a comment to one of his articles on A List Apart, dating back to June 2006:
Below a screenshot of the full comment, for future reference:
Have we been maybe a little too overzealous in defining what goes into CSS and what absolutely can’t?
Personally, I continue to think that:
One of my primary axioms is: Everything is best for something and worst for something else. The trick is knowing what is what, for what, when, for whom, where, and most importantly, why. – Bill Buxton, 2007