1. Understanding CSS3

In This Chapter

What Is a Style?

What Are Cascading Style Sheets?

The Evolution of CSS

CSS and HTML

Types of CSS Rules

The Parts of a CSS Rule

CSS Browser Extensions

New in CSS3

Cascading Style Sheets, or CSS, is a language used to specify the visual appearance of a Web page—in contrast to HTML (HyperText Markup Language), which is a markup language that defines the structure of a document for distribution on the Web. HTML tells a Web browser how the content is organized on the page, whereas CSS tells the browser how it should look.

CSS3—an abbreviation for CSS Level 3—is the next generation of this style language that adds several new capabilities. CSS3 has taken its place alongside HTML5 at the forefront of all cutting-edge ...

Get CSS3: Visual QuickStart Guide, Sixth Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial