CSS3 Introduction
→ CSS3 is the latest standard for
CSS.
- CSS3 is completely backwards-compatible with earlier versions of CSS.
- This section teaches you about the new features in CSS3!
CSS is a style language that describes how HTML markup is presented or styled. CSS3 is the latest version of the CSS specification. The term “CSS3” is not just a reference to the new features in CSS, but the third level in the progress of the CSS specification.
CSS3 contains just about everything that’s included in CSS2.1 (the previous version
of the spec). It also adds new features to help developers solve a number of problems
without the need for non-semantic markup, complex scripting, or extra images.
New features in CSS3 include support for additional selectors, drop shadows,
rounded corners, multiple backgrounds, animation, transparency, and much more.
CSS3 is distinct from HTML5. We’ll be using the term CSS3 to
refer to the third level of the CSS specification, with a particular focus on what’s
new in CSS3. Thus, CSS3 is separate from HTML5 and its related APIs.
What is it?
CSS3 offers variety of new ways to create an impact with your
designs, with quite a few important changes. This first tutorial will
give you a very basic introduction to the new possibilities created by
the standard.
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