This is a toolbar for both Chrome and Firefox. The Firefox toolbar is more powerful.

Course description: "HTML is the the foundation behind all web pages. It's used to add structure and form to text, images, and more. CSS is the language used to style HTML content. In this first course, you'll learn the fundamentals of both languages so that you can create visually appealing web pages."

Tutorial description: CSS is a language that describes the style of an HTML document. CSS describes how HTML elements should be displayed. This tutorial will teach you CSS from basic to advanced.

Description: You’ve heard the buzz about the separation of style from content, but you are stuck in the world of nested tables and deprecated markup. If so, you have come to the right place! Using CSS to style your (X)HTML files, will benefit you and your visitors in many ways. The following chapters cover all the basics of CSS design.

You've read the basics, this site has tons of articles to make you an advanced designer.

A video-oriented site covering basic HTML and CSS for non-web designers

A combination of interactive tools and simple cheatsheet

A comprehensive listing of CSS3 selectors including those for advanced work such as CSS animation.

LibGuides Login Required. This guide shows how to customize LibGuides with CSS. In the left navigation you'll see "CSS Maps" that specify in great detail all the class and IDs you can hook into to customize your site.