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transition-duration

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The transition-duration property, normally used as part of transition shorthand, is used to define the duration of a specified transition. That is, the length of time it will take for the targeted element to transition between two defined states.

.example {
    transition-duration: 3s;
}

The value can be one of the following:

  • A valid time value (defined in seconds or milliseconds)
  • A comma-separated list of time values, for transitioning multiple properties on a single element

The default value for transition-duration is 0s, meaning that no transition will take place and the property change will take place immediately, even if the other transition-related properties are defined. The time value can be expressed as a decimal-based number for more precise timing and negative values are not allowed.

The following CodePen shows a hover effect on a box that uses a transition-duration value of 1s to gradually change the background color:

Check out this Pen!

For compatibility in all supporting browsers, vendor prefixes are required, with the standard syntax declared last:

.example {
    -webkit-transition-duration: 700ms;
    -moz-transition-duration: 700ms;
    -o-transition-duration: 700ms;
    transition-duration: 700ms;
}

IE10 (the first stable version of IE to support transition-duration) does not require the -ms- prefix.

Related Properties

Other Resources

Browser Support

Chrome Safari Firefox Opera IE Android iOS
Works Works 4+ 10.5+ 10+ 2.1+ 3.2+

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