CSS3 animation-timing-function Property
Topic: CSS3 Properties ReferencePrev|Next
Description
The animation-timing-function CSS property specifies how a CSS animation should progress over the duration of each cycle.
The following table summarizes the usages context and the version history of this property.
| Default value: | ease |
|---|---|
| Applies to: | All elements, ::before and ::after pseudo-elements |
| Inherited: | No |
| Animatable: | No. See animatable properties. |
| Version: | New in CSS3 |
Syntax
The syntax of the property is given with:
The example below shows the animation-timing-function property in action.
.box {
width: 50px;
height: 50px;
background: red;
position: relative;
/* Chrome, Safari, Opera */
-webkit-animation-name: moveit;
-webkit-animation-duration: 2s;
-webkit-animation-timing-function: ease-in;
/* Standard syntax */
animation-name: moveit;
animation-duration: 2s;
animation-timing-function: ease-in;
}
/* Chrome, Safari, Opera */
@-webkit-keyframes moveit {
from {left: 0;}
to {left: 50%;}
}
/* Standard syntax */
@keyframes moveit {
from {left: 0;}
to {left: 50%;}
}Property Values
The following table describes the values of this property.
| Value | Description |
|---|---|
linear |
Specifies that the animation goes from its initial state to its final state, with a constant speed. |
ease |
Similar to ease-in-out, though it accelerates more sharply at the beginning and the acceleration already starts to slow down near the middle of it. |
ease-in |
Specifies that the animation begins slowly, then progressively accelerates until the final state is reached and the animation stops abruptly. |
ease-out |
Specifies that the animation starts quickly then slow progressively down when approaching to its final state. |
ease-in-out |
Specifies that the animation starts slowly, accelerates then slows down when approaching its final state. |
|
Defines a cubic Bezier curve. It is also known as speed curve. Possible values are numeric values from 0 to 1. |
initial |
Sets this property to its default value. |
inherit |
If specified, the associated element takes the computed value of its parent element animation-timing-function property. |
Browser Compatibility
The animation-timing-function property is supported in all major modern browsers.
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Basic Support—
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Further Reading
See tutorial on: CSS3 Animations.
Related properties and at-rules: animation, animation-name, animation-duration, animation-delay, animation-iteration-count, animation-direction, animation-fill-mode, animation-play-state, @keyframes.
