CSS Animations

This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

CSS Animations is a module of CSS that defines how to animate the values of CSS properties over time, using keyframes. The behavior of these keyframe animations can be controlled by specifying their duration, their number of repetitions, and how they repeat.


CSS Properties

CSS At-rules


Detecting CSS animation support
Describes a technique for detecting if the browser supports CSS animations.
Using CSS animations
Step-by-step tutorial about how to create animations using CSS, this article describes each relevant CSS property and at-rule and explains how they interact.


Specification Status Comment
CSS Animations Working Draft Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support (Yes)-webkit
5.0 (5.0)-moz
16.0 (16.0)
10 12-o
Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support 2.1 -webkit [1]
4.0 -webkit
5.0 (5.0)-moz
16.0 (16.0)
? ? (Yes)-webkit

[1] Partial support: animation-fill-mode property is not supported in Android browser below 2.3.

[2] See the release notes to Opera 12.50.

See also

  • Related to CSS Animations, CSS Transitions can trigger animations on user actions.


Document Tags and Contributors

 Contributors to this page: MexieAndCo, teoli, fscholz
 Last updated by: MexieAndCo,