How to come up with classes in general, and what to rely on?

Question

Layout

I've been typesetting for half a year now, but I always have problems with class names.
Maybe there are some standards, or you can write all this out of your head.

Answer 1

Words commonly used in CSS classes: https://github.com/yoksel/common-words
The name of the class should adequately describe the element or block for which the class is being introduced. Learn BEM, it's the best approach to class naming.