Free book learn CSS3
For all those who want to learn CSS (Cascading Style Sheets), I recommend the following online book created by Javier Eguiluz, where he shows us its history, support, specifications, the basic fundamentals of CSS, as well as understanding step by step each of the properties, advantages and everything we can do with this language that enriches our web projects by giving a more elegant view to our HTML documents.
I recommend you follow this resource topic by topic and complete the exercises with which you will be able to master CSS3 perfectly.
Author: Javier Eguiluz
License: Creative Commons Non-Commercial – Attribution – Share Alike (CC BY-NC-SA) 3.0