It depends. Modern CSS (specifically, box) combined with a well thought-out document structure can sometimes be extremely simple and work perfectly. It can be

It depends. Modern CSS (specifically, box) combined with a well thought-out document structure can sometimes be extremely simple and work perfectly. It can be very satisfying. But complexity, mistakes, and requirements always quickly add up in a way that turns CSS into a complete nightmare. I like (and mostly agree with) the concept of "edgelessness" that the article discusses but that physical fact of the matter is that right now, your HTML/CSS will be viewed on a physical device of finite proportions. We call it a "Page" for a good reason.