Fancy demos, with a fun way of displaying them.
Presentation from ETE 2012 by Elika J. Etemad on The Evolution of CSS Layout: Through CSS 3 and Beyond
An interesting idea from Dan Eden: let newbies (or anyone) learn from your CSS by providing an uncompressed css file called style.max.css. The way it used to be in the old days (15 years ago) when everyone was self taught.
A desire for fluid line-height from Tim Brown inspired Mat Marquis to make this nifty little script.
Article by Luke Wroblewski on responsive design layout patterns.
Pears is an open source Wordpress theme by Dan Cederholm that lets you test and save html/css interface patterns on the fly. I've been thinking I need something like this for a long time. Long live the Cederholm!
Add a text caption to your images.
Sweet Mario Bros. bitmap graphics made ONLY with CSS. Follow the link to see it animated.
Help your fellow web designers and front-end developers make the web more awesome. This site gets your started on how to get involved and give back.
Reference on using, cautiously using or avoiding various HTML5 and CSS 3 features, with fallbacks and requirements.