21 Amazing CSS Techniques You Should Know

I find a lot of the links and ideas I share on Keefer Madness via my RSS feeds to numerous web sites. But this one came from a link someone shared to the Twitterverse. At first glance, this list of CSS techniques seems pretty impressive and definitely worth checking out and bookmarking for all the fellow web designers/developers.
I have yet to try or utilize any of the CSS procedures, but I'm skeptical on some — on how cross-browser compatible some of them are and also how flexible they are. Regardless, dive in the list, and let me know if you utilize any of these before I get a chance to test some of them out.

21 Amazing CSS Techniques You Should Know