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    transition-duration

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    Summary

    The transition-duration CSS property specifies the number of seconds or milliseconds a transition animation should take to complete. By default, the value is 0s, meaning that no animation will occur.

    You may specify multiple durations; each duration will be applied to the corresponding property as specified by the transition-property property, which acts as a master list. If there are fewer durations specified than in the master list, the user agent repeat the list of durations. If there are more durations, the list is simply truncated to the right size. In both case the CSS declaration stays valid.

    Syntax

    /* <time> values */
    transition-duration: 6s;
    transition-duration: 120ms;
    transition-duration: 1s, 15s;
    transition-duration: 10s, 30s, 230ms;
    
    /* Global values */
    transition-duration: inherit;
    transition-duration: initial;
    transition-duration: unset;
    

    Values

    <time>
    Is a <time> denoting the amount of time the transition from the old value of a property to the new value should take. A time of 0s indicates that no transition will happen, that is the switch between the two states will be instantaneous. A negative value for the time renders the declaration invalid.

    Formal syntax

    <time>#

    Examples

    transition-duration: 0.5s

     <div class="parent">
      <div class="box">Lorem</div>
    </div>
      
    .parent { width: 250px; height:125px;}
    .box {
        width: 100px;
        height: 100px;
        background-color: red;
        font-size: 20px;
        left: 0px;
        top: 0px;
        position:absolute;
        -webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
        -webkit-transition-duration:0.5s;
        -webkit-transition-timing-function: ease-in-out;
        transition-property: width height background-color font-size left top transform -webkit-transform color;
        transition-duration:0.5s;
        transition-timing-function: ease-in-out;
    }
    .box1{
        transform: rotate(270deg);
        -webkit-transform: rotate(270deg);
        width: 50px;
        height: 50px;
        background-color: blue;
        color: yellow;
        font-size: 18px;
        left: 150px;
        top:25px;
        position:absolute;
        -webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
        -webkit-transition-duration:0.5s;
        -webkit-transition-timing-function: ease-in-out;
        transition-property: width height background-color font-size left top transform -webkit-transformv color;
        transition-duration:0.5s;
        transition-timing-function: ease-in-out;
    }
    
    function updateTransition() {
      var el = document.querySelector("div.box");
       
      if (el) {
        el.className = "box1";
      } else {
        el = document.querySelector("div.box1");
        el.className = "box";
      }
       
      return el;
    }
    
    var intervalID = window.setInterval(updateTransition, 7000);
    

    transition-duration: 1s

     <div class="parent">
      <div class="box">Lorem</div>
    </div>
      
    .parent { width: 250px; height:125px;}
    .box {
        width: 100px;
        height: 100px;
        background-color: red;
        font-size: 20px;
        left: 0px;
        top: 0px;
        position:absolute;
        -webkit-transition-property: width height background-color font-size left top -webkit-transform color;
        -webkit-transition-duration:1s;
        -webkit-transition-timing-function: ease-in-out;
        transition-property: width height background-color font-size left top transform color;
        transition-duration:1s;
        transition-timing-function: ease-in-out;
    }
    .box1{
        transform: rotate(270deg);
        -webkit-transform: rotate(270deg);
        width: 50px;
        height: 50px;
        background-color: blue;
        color: yellow;
        font-size: 18px;
        left: 150px;
        top:25px;
        position:absolute;
        -webkit-transition-property: width height background-color font-size left top -webkit-transform transform color;
        -webkit-transition-duration:1s;
        -webkit-transition-timing-function: ease-in-out;
        transition-property: width height background-color font-size left top transform -webkit-transform color;
        transition-duration:1s;
        transition-timing-function: ease-in-out;
    }
    
    function updateTransition() {
      var el = document.querySelector("div.box");
       
      if (el) {
        el.className = "box1";
      } else {
        el = document.querySelector("div.box1");
        el.className = "box";
      }
       
      return el;
    }
    
    var intervalID = window.setInterval(updateTransition, 7000);
    

    transition-duration: 2s

     <div class="parent">
      <div class="box">Lorem</div>
    </div>
      
    .parent { width: 250px; height:125px;}
    .box {
        width: 100px;
        height: 100px;
        background-color: red;
        font-size: 20px;
        left: 0px;
        top: 0px;
        position:absolute;
        -webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
        -webkit-transition-duration:2s;
        -webkit-transition-timing-function: ease-in-out;
        transition-property: width height background-color font-size left top transform -webkit-transform color;
        transition-duration:2s;
        transition-timing-function: ease-in-out;
    }
    .box1{
        transform: rotate(270deg);
        -webkit-transform: rotate(270deg);
        width: 50px;
        height: 50px;
        background-color: blue;
        color: yellow;
        font-size: 18px;
        left: 150px;
        top:25px;
        position:absolute;
        -webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
        -webkit-transition-duration:2s;
        -webkit-transition-timing-function: ease-in-out;
        transition-property: width height background-color font-size left top transform -webkit-transform color;
        transition-duration:2s;
        transition-timing-function: ease-in-out;
    }
    
    function updateTransition() {
      var el = document.querySelector("div.box");
       
      if (el) {
        el.className = "box1";
      } else {
        el = document.querySelector("div.box1");
        el.className = "box";
      }
       
      return el;
    }
    
    var intervalID = window.setInterval(updateTransition, 7000);
    

    transition-duration: 4s

     <div class="parent">
      <div class="box">Lorem</div>
    </div>
      
    .parent { width: 250px; height:125px;}
    .box {
        width: 100px;
        height: 100px;
        background-color: red;
        font-size: 20px;
        left: 0px;
        top: 0px;
        position:absolute;
        -webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
        -webkit-transition-duration:4s;
        -webkit-transition-timing-function: ease-in-out;
        transition-property: width height background-color font-size left top transform -webkit-transform color;
        transition-duration:4s;
        transition-timing-function: ease-in-out;
    }
    .box1{
        transform: rotate(270deg);
        -webkit-transform: rotate(270deg);
        width: 50px;
        height: 50px;
        background-color: blue;
        color: yellow;
        font-size: 18px;
        left: 150px;
        top:25px;
        position:absolute;
        -webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
        -webkit-transition-duration:4s;
        -webkit-transition-timing-function: ease-in-out;
        transition-property: width height background-color font-size left top transform -webkit-transform color;
        transition-duration:4s;
        transition-timing-function: ease-in-out;
    }
    
    function updateTransition() {
      var el = document.querySelector("div.box");
       
      if (el) {
        el.className = "box1";
      } else {
        el = document.querySelector("div.box1");
        el.className = "box";
      }
       
      return el;
    }
    
    var intervalID = window.setInterval(updateTransition, 7000);
    

    Specifications

    Specification Status Comment
    CSS Transitions
    The definition of 'transition-duration' in that specification.
    Working Draft  

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support 1.0 -webkit 4.0 (2.0) -moz
    16.0 (16.0)
    10.0 11.6 -o
    12.10 #
    3.0 -webkit
    Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support 2.1 -webkit 4.0 (2.0) -moz
    16.0 (16.0)
    ? 10.0 -o
    12.10 #
    3.2 -webkit

    See also

    Document Tags and Contributors

    Contributors to this page:
    Last updated by: Sebastianz,