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
gradient-scanner
Handy too to pick up a gradient from an image
CSS3 Please! The Cross-Browser CSS3 Rule Generator
You can edit the underlined values in this css file but don't worry about making sure the corresponding values match, that's all done automagically for you.