I am a huge fan of SASS (Syntactically Awesome Stylesheets) for styling Rails applications. I have been using it on all of my projects for quite a while now and have developed some great techniques that make it much easier to organize, write, and read stylesheets in an application
Maybe I haven’t been paying close enough attention, but over the past few years an interesting variation of CSS Sprites has been getting a lot of play on large web sites that serve millions of users.
Web performance expert Nicole Sullivan discusses a set of best practices in the creation of supremely fast, visually impactful web sites.
JSViz makes it easy to create dynamic 2D views of information. Practical applications include network graphs, navigation, and other dynamic layouts.