Codecast lets you code HTML and CSS and view the output side-by-side, negating the need to switch between your code editor of choice and your browser window.

Plone's recently released roadmap outlines near-term plans that include adopting HTML5 and CSS3 and improving user experience.

We talked CSS3 (the next iteration of Cascading Style Sheets), HTML5 (the next iteration of the HTML language) and the role of Opera Software as a company in both.

We’ve posted links to cool HTML5 and CSS3 implementations before, but this one is seriously one of the best I’ve recently stumbled upon. Joshua Jones from General Metrics managed to re-create the ...