css

How to: Create a Low Highlight Text Effect Using CSS
Customized Dashed or Dotted Border CSS generator
URL-encoder for SVG
Layout Gala: a collection of 40 CSS layouts based on the same markup and ready for download!

This is awesome! Like CSSZenGarden for generic layouts. I’ll definitely be using this. They all validate and use good code.
Specifics on CSS Specificity | CSS-Tricks
Demo: Pure CSS GUI icons (experimental) – Nicolas Gallagher

I want to make a CSS class that puts a play button over an image.
HTML5 Cross Browser Polyfills · Modernizr/Modernizr Wiki
Simply Testable professional automated front-end web testing
ie7-js – A JavaScript library to make MSIE behave like a standards-compliant browser. – Google Project Hosting
This gist demonstrates some uses of the new sass feature: Passing content blocks to mixins. — Gist