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

/* Single animation */ animation-duration: 6s; animation-duration: 120ms;  /* Multiple animations */ animation-duration: 1.64s, 15.22s; animation-duration: 10s, 35s, 230ms;  /* Global values */ animation-duration: inherit; animation-duration: initial; animation-duration: revert; animation-duration: unset; 

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;  /* Global values */ animation-duration: inherit; animation-duration: initial; animation-duration: revert; animation-duration: unset; 

Values

<time>

The time that an animation takes to complete one cycle. This may be specified in either seconds (s) or milliseconds (ms). The value must be 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 definition

Initial value	0s
Applies to	all elements, ::before and ::after pseudo-elements
Inherited	no
Computed value	as specified
Animation type	discrete

Formal syntax

<time>#

Examples

The animation has an animation-duration of 0.7 seconds

HTML

<div class="box"></div> 

CSS

.box {   background-color: rebeccapurple;   border-radius: 10px;   width: 100px;   height: 100px;   animation-name: rotate;   animation-duration: 0.7s; }  @keyframes rotate {   0% {     transform: rotate(0);   }   100% {     transform: rotate(360deg);   } } 

Result

See CSS animations for more examples.

Specifications

Specification
CSS Animations Level 2 # animation-duration

See also

Using CSS animations JavaScript AnimationEvent API Select your preferred language English (US)DeutschEspañolFrançais日本語한국어Русский中文 (简体) Change language