I go to visit the page (all I have is uBlock Origin on) and I get this: http://imgur.com/a/SEapB
I don't think I'm going to be taking this CSS lesson.
I don't think I'm going to be taking this CSS lesson.
You are jumping to a conclusion on a mere speculation. The site works fine with uBO + default settings/filter lists. I could not even "break" the site using "medium mode", which blocks all 3rd-party scripts/frames.