W3 SPECIFICATIONS

Surely if you have not yet read the W3 specs concerning CSS then they might be a little bit confusing at first. Let us break down the specs so that we can decipher their meanings in plain ol' english. Feel free to print the specs as they are print friendy of course.

CSS 2.1 Specs : http://www.w3.org/TR/CSS21/

CSS Explanation : http://www.w3.org/TR/CSS/

CSS3 Specs : http://www.w3.org/Style/CSS/current-work
CSS Level 3 builds on CSS Level 2 module by module, using the CSS2.1 specification as its core

First thing to clear up is what is the difference between an implementor and an author?

Authors: 
Web Designers who use CSS for presentation of HTML etc.

Implementors:
Browser Manufacturers(i.e. people who make the browsers)

READING THE SPECIFICATIONS
Specification Document Language Guide:

• CSS property and psuedo-class names are delimited by single quotes
• CSS values are delimited by single quotes
• HTML attributes are always delimited by double quotes