> instead of two properties that define box dimensions you now have now who knows how many props changing dimensions For border-box block elements, height and

> instead of two properties that define box dimensions you now have now who knows how many props changing dimensions For border-box block elements, height and width are still absolutes (notwithstanding min-/max- values of the same). Protesting other box models is absolutely doable: just don't use 'em. Principle of least astonishment accomplished.