Use CSS3 Pseudo-selectors in IE6, 7 and 8

Now that everyone is all giddy about CSS3 and all of the coolness it offers, lets get back down to earth. We still have older browsers to support so while using some of the new nifty features is definitely cool, we need to ensure we understand that at least 80% of web users won’t be on a cool new browser:

http://blog.reybango.com/2010/09/08/start-using-css3-pseudo-classes-in-internet-explorer-6-7-and-8-using-the-selectivizr-javascript-library/