via @joemccann
A command line tool “for packaging your CSS & JavaScript projects. It will lint your JavaScript with JSHint, then build and minify your files (if you’d like) with UglifyJS for JavaScript, and Sqwish for CSS.”
CSS
Sprite Cow
Makes it easy to generate the CSS for the background-position, width and height of images within a sprite.
CSS Lint
We’ve gone too long without a good lint tool for CSS. This one provides syntax checking and applies “a set of rules to the code that look for problematic patterns or signs of inefficiency. The rules are all pluggable, so you can easily write your own or omit ones you don’t want.”
A Whole Bunch of Amazing Stuff Pseudo Elements Can Do
I tend to avoid ’roundup’ posts as they’re usually just link-bait, but this one has managed to present several techniques that I want to dig in and experiment with.
12 Fun CSS Text Shadows You Can Copy and Paste
Skeleton
“Beautiful Boilerplate for Responsive, Mobile-Friendly Development”