I mean some of those things just make sense. Why shouldn't CSS allow you to mix units and do some basic maths like with calc? Having had to resort to JS for tha

I mean some of those things just make sense. Why shouldn't CSS allow you to mix units and do some basic maths like with calc? Having had to resort to JS for that stuff is the real issue there. CSS in my eyes should be able to handle 99% of visual style related needs with ease, JS should be there for the rest.