Westciv has released their popular
Complete CSS Guide in a format that can be installed on your iPod.
Featuring a handy overview of CSS concepts, and in-depth information for every selector, property and @rule of CSS 2.1, the CSS podGuide is a must have for any web developer with an iPod, and just one more reason to get an iPod if you don't already
Click
here for the free download link and instruction how to install.