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animation-duration

The animation-duration CSS property sets the length of time that an animation takes to complete one cycle.

It is often convenient to use the shorthand property animation to set all animation properties at once.

Syntax

/* Single animation */
animation-duration: 6s;
animation-duration: 120ms;

/* Multiple animations */
animation-duration: 1.64s, 15.22s;
animation-duration: 10s, 35s, 230ms;

Values

<time>: The duration that an animation takes to complete one cycle. This may be specified in either seconds (s) or milliseconds (ms). The value must positive or zero and the unit is required. A value of 0s, which is the default value, indicates that no animation should occur.

Note: Negative values are invalid, causing the declaration to be ignored. Some early, prefixed, implementations may consider them as identical to 0s.

Note: When you specify multiple comma-separated values on an animation-* property, they will be assigned to the animations specified in the animation-name property in different ways depending on how many there are. For more information, see Setting multiple animation property values.

Formal syntax

<time>#

Examples

See CSS animations for examples.

Specifications

Initial value	`0s`
Applies to	all elements, `::before` and `::after` pseudo-elements
Inherited	no
Media	visual
Computed value	as specified
Animation type	discrete
Canonical order	the unique non-ambiguous order defined by the formal grammar

Specification	Status	Comment
CSS Animations The definition of 'animation-duration' in that specification.	Working Draft	Initial definition.

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	43 43 3 Prefixed Prefixed Requires the vendor prefix: -webkit-	12 12 12 Prefixed Prefixed Requires the vendor prefix: -webkit-	16 16 49 Prefixed Prefixed Requires the vendor prefix: -webkit- 44 Prefixed Disabled Prefixed Requires the vendor prefix: -webkit- Disabled From version 44: this feature is behind the `layout.css.prefixes.webkit` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config. 5 Prefixed Prefixed Requires the vendor prefix: -moz-	10	30 30 15 Prefixed Prefixed Requires the vendor prefix: -webkit- 12.1 — 15 12 — 15 Prefixed Prefixed Requires the vendor prefix: -o-	4 Prefixed 4 Prefixed Prefixed Requires the vendor prefix: -webkit-

	Mobile
	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	iOS Safari	Samsung Internet
Basic support	Yes Yes 2 Prefixed Prefixed Requires the vendor prefix: -webkit-	43 43 Yes Prefixed Prefixed Requires the vendor prefix: -webkit-	Yes Yes Yes Prefixed Prefixed Requires the vendor prefix: -webkit-	16 16 49 Prefixed Prefixed Requires the vendor prefix: -webkit- 44 Prefixed Disabled Prefixed Requires the vendor prefix: -webkit- Disabled From version 44: this feature is behind the `layout.css.prefixes.webkit` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config. 5 Prefixed Prefixed Requires the vendor prefix: -moz-	30 30 15 Prefixed Prefixed Requires the vendor prefix: -webkit- 12.1 — 14 12 — 14 Prefixed Prefixed Requires the vendor prefix: -o-	4.2 Prefixed 4.2 Prefixed Prefixed Requires the vendor prefix: -webkit-	4.0 4.0 Yes Prefixed Prefixed Requires the vendor prefix: -webkit-