"CSS3 is a wonderful thing, but it's easy to be bamboozled by the transforms and animations (many of which are vendor-specific) and forget about the nuts-and-bolts selectors that have also been added to the specification. A number of powerful new pseudo-selectors (16 are listed in the latest W3C spec) enable us to select elements based on a range of new criteria."
Next to having four seperate pages for the major rendering engines, this page shows a clearer overview of the implemented, prefixed properties, and their counterparts in other engines.
Modernizr adds classes to the element which allow you to target specific browser functionality in your stylesheet. You don't actually need to write any Javascript to use it.
"Today I'm going to take you through my entire process of getting from Photoshop to completed HTML. We're going to build out a set of 4 PSD mockups of a website that eventually will become a WordPress theme. It's a massive tutorial, so if you're going to follow through to the end, make sure you have a few hours to spare!"