Animate.css
Leveling Up With Flexbox presentation at Smashing Conference
Why moving elements with translate() is better than pos:abs top/left - Paul Irish
An Introduction to CSS3 Transitions - CSS3 . Info
Useful info on CSS Transitions
SVG Gradient Background Maker
Handy
The ultimate CSS tools for web designers | CSSmatic
Gradient generator, border radius, noise and box shadow
CSS Ratiocinator - A tool that will automatically refactor your CSS
Optimse your CSS. A new take at an old issue.
JSCamp: CSS Next
Public Service Announcement: Careful With Your Nested Border-Radii | CSS-Tricks
When you have and element within another padded element, both with different backgrounds and both with border-radius, make sure the inside element's border-radius is a bit less than the outer element.
Ultimate CSS Gradient Generator - ColorZilla.com
Useful to generate IE 6-98 and 9 gradients (filter or svg)
Creating Single Element iPhone using CSS3 | CSSDeck
On the amazing use of box-shadow
Home - Scalable and Modular Architecture for CSS
A brilliant and inspiring book. Not only useful, but fun to read too. Full of good tips and ideas. I love the approach.
CSS3 Responsive Slider / Carousel Using Radio Buttons
No JavaScript, but not very semantic
Fullscreen Background Image Slideshow with CSS3
Nice implementation
Vendor-prefixed CSS Property Overview « Peter Beverloo
Vendor-prefixed CSS Properties (WebKit) « Peter Beverloo
60 Useful Web Developer Cheat Sheet Collection
Bring Your Forms Up to Date With CSS3 and HTML5 Validation
Internet Explorer 10 Developer Guide:CSS
Exciting reference, shame all properties are still vendor prefixed. "Internet Explorer 10 Developer Guide:CSS"
gradient-scanner
Handy too to pick up a gradient from an image
Create Columns Easily With The CSS3 Multi-Column Layout Module
Prefixr
Generate cross-browser CSS
How to create a Ken Burns effect with CSS
One Page Apps I Actually Use
Adactio: Journal—Sea change
Responsive design
Mobile HTML5 Boilerplate
Thinning Text in Webkit (Safari) - HTML & CSS - Resources - Ordered List
Sencha - Sencha Animator
Create CSS3 Animations with Ease
Web Directions South 2010 Opening Titles
RT @stop: Mind blown. Bar raised. @themaninblue's title sequence for WDS, using HTML, CSS, and JS: (view in Chrome)
10 tips for designing mobile websites | These Days Labs