CSS Guide
Отличное руководство по CSS (Cascading Stylesheet) опубликовал ресурс inserthtml, которые содержит 6 глав, прочитав которые вы познаете тайны CSS.
Hello! This series has been created to teach you everything you need to know about CSS in order to operate in the web design world. We’d recommend doing a few sections a day, and in no time you’ll have mastered CSS!