Flexible CSS-based layouts, based on an underlying grid and gutter structure, for information-heavy sites that are packed with content, flexible layouts could be your answer. Read Code flexible ...

Thimble, which is part of Mozilla’s recently launched Webmaker project, is meant to help novice users write and edit basic HTML and CSS right in a web-based code editor.

Codecast is a browser-based code editor that’s perfect for creating HTML and CSS tutorials ...