CSS3 has some new values for sizing things relative to the current viewport size: vw, vh, and vmin. It is relevant to bring up now, because it's shipping in Chrome 20 (canary at the time of this writing). And not behind a flag, it just works. Production usage isn't quite there, but it will be soon enough.#Why is this awesome?There are many reasons. Here are two:There is a such thing as a comfort..