Dreamwidth style system discussion

I've been using it to tinker around with the options on my Plurk page. Plurk has about 50 million different classes and IDs so the feature that highlights the different CSS boxes/blocks (or whatever they are called) is especially invaluable there. Now to figure out why the rounded corners on the layout aren't working....I downloaded a rather pretty layout from somewhere but the custom css that came along with it is a bit of a mess, let me tell you. I'm relatively certain that at least half of it is redundant. There's a reason it's called Cascading Style Sheets--no need to keep redefining variables as the same value for all of the daughter classes of something! >_o