If you are looking for some offline resourcs to learn CSS (Cascading Style Sheets), here’s an offer that you should not miss.
The Art & Science of CSS is a good CSS book (read reviews at Amazon) packed full of practical examples. You’ll learn about CSS techniques like making rounded corners, creating navigation tabs, styling web forms and list, designing web page backgrounds with images and so on.
If you are worried about sharing your email, go with the twitter approach – as you soon as follow sitepoint, they’ll send you a direct message with a link to download the free CSS book.
This is Sitepoint’s second giveaway – earlier they had offered a Photoshop ebook for free.
Update: Here’s a direct link to download the eBook. It’s about 24 MB in size.