CSS3 Click Chart

Transitions

By means of changes to property values, allows you to create simple two-step transitions, or animations, over a specified duration on elements in response to state changes.

Specification

Transitions on W3C

Example Code

Live Demonstration

Hover over this element and it will gradually change background color.

Browser Support

Tools / Polyfills

CSS3 Transition Animations With jQuery Fallbacks
The jQuery Transition project
cubic-bezier.com

Tutorials / Articles

CSS3 Transitions Without Using :hover

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