The problem is consistency and lack of direction. There are now sane ways to do almost anything in CSS. But they are not exclusive - they live side-by-side with

The problem is consistency and lack of direction. There are now sane ways to do almost anything in CSS. But they are not exclusive - they live side-by-side with older, less-sane solutions, many of which don't play nice together. Someone ought to write a "CSS: The Good Parts" book about a modern, sane subset of CSS that plays nice together, covers everything you need, and that the industry could unite around.