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CSS animations

From Wikipedia, the free encyclopedia

CSS Animations
CSS Animations Level 1
Contra-zoom aka dolly zoom animation.svg
Interactive SVG using a hover effect
Native name
CSS Animations
StatusW3C Working Draft
First published20 March 2009 (2009-03-20)[1]
Latest versionLevel 1
October 11, 2018 (2018-10-11)[2]
Preview versionEditor's Draft
OrganizationWorld Wide Web Consortium
CommitteeCSS Working Group
  • Dean Jackson
  • L. David Baron
  • Tab Atkins Jr.
  • Brian Birtles
  • David Hyatt
  • Chris Marrin
  • Sylvain Galineau
Base standardsCSS

CSS animations is a proposed module for Cascading Style Sheets that allows the animation of HTML document elements using CSS.


While the pseudo-class :hover has been used to generate rudimentary animations for years, extensions of CSS into the realm of animation were minimal until the late 2000s decade. As early as 2007, WebKit had announced its intent to include CSS animation, transitions, and transforms as features of WebKit. It also announced the implementation of both implicit and explicit animation through CSS in February 2009. CSS animation has also been put forth as a feature of CSS3, the ongoing draft specification managed by the World Wide Web Consortium (W3C).


CSS Animations is a module of Cascading Style Sheets. It allows users to hover over objects and an animation will play. Currently, it is adopted by all major search engines. Despite the controversy from those who prefer animation via Javascript, the hover tag is now widely used across the Cascading Style Sheets community.

Scalable Vector Graphics

Animated SVG using CSS 3

In addition to hover, Scalable Vector Graphics supports the @keyframes at-rule, allowing a limited set of transformations to be animated. Firefox and Chrome used the @-moz-keyframes and @-webkit-keyframes extensions, respectively, before @keyframes was added to the CSS 3 specification.[2]

Browser support

As of June 2011, Firefox 5 includes CSS animations support.[4] CSS animation is also available as a module in the nightly builds of WebKit as well as Google Chrome, Safari 4 and 5 and Safari for iOS (iPhone, iPod Touch, iPad), Android versions 2.x and 3.x, Internet Explorer 10+ and Microsoft Edge browser, the BlackBerry OS 6 web browser, with the -webkit- prefix.[5][6][7] It is also used in iTunes 9 to support iTunes LP files.


Early on in the development of the CSS animation it had drawn concern from those who prefer animation via JavaScript[8] or, to a lesser-used extent, Synchronized Multimedia Integration Language (SMIL); others have claimed that it is a move by Apple Inc., the main sponsor of the WebKit project, to sidestep the inclusion of Adobe Flash (and the incumbent Flash animations) on the company's iOS line of mobile devices which use Safari.[9][10][11] Furthermore, although Cascading Style Sheets is a relatively easy to use programming language, many programmers still struggle with making animations. With this problem, several individuals and websites have developed and created open source CSS button animations with code[12] for users to copy. However, even with these previous controversies, CSS animations can be predominately found and widely used across the internet.

See also


  1. ^ "CSS Animations Level 1 Publication History - W3C". W3C. n.d. Retrieved 2021-04-09.
  2. ^ a b c Jackson, Dean; Baron, L. David; Atkins Jr., Tab; Birtles, Brian; Hyatt, David; Marrin, Chris; Galineau, Sylvain, eds. (2018-10-11). "CSS Animations Level 1". W3C. CSS Working Group. Retrieved 2021-04-09.
  3. ^ Jackson, Dean; Baron, L. David; Atkins Jr., Tab; Birtles, Brian; Hyatt, David; Marrin, Chris; Galineau, Sylvain, eds. (2021-01-27). "CSS Animations Level 1". CSS Working Group Editor Drafts. Retrieved 2021-04-09.
  4. ^ Mozilla Firefox Release Notes, The Mozilla Foundation, 2011-06-21, archived from the original on 2014-02-12, retrieved 2021-04-09
  5. ^ Hyatt, Dave (2007-10-31), "CSS Animation | WebKit", WebKit, Surfin’ Safari, retrieved 2021-04-09
  6. ^ Jackson, Dean (2009-02-05), "CSS Animation | WebKit", WebKit, Surfin’ Safari, retrieved 2021-04-09
  7. ^ "@keyframes rule (Internet Explorer)", Microsoft Docs, Microsoft, 2018-11-25, archived from the original on 2018-11-26, retrieved 2021-04-09
  8. ^ Snook, Jonathan (2007-10-31), CSS Animations in Safari,, archived from the original on 2021-01-27, retrieved 2021-04-09
  9. ^ Kim, Arnold (2009-02-06), CSS Animation Coming to Safari, Already in iPhone. Less Dependence on Flash?,, retrieved 2021-04-09
  10. ^ Palmer, Robert (2009-02-06), CSS Animation to replace need for Flash in MobileSafari? Not likely, The Unofficial Apple Weblog, retrieved 2021-04-09
  11. ^ Ferrari, Vincent (2009-02-09), CSS Animations: A Flash Substitute?, Apple Thoughts, retrieved 2021-04-09
  12. ^ ButtonAnimations (2019-12-11). "Button Animations CSS (w/ code)". ButtonAnimations. Retrieved 2021-04-09.

External links

This page was last edited on 21 October 2021, at 19:23
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