transition: margin-right 2s;
transition: margin-right 2s 0.5s;
transition: margin-right 2s ease-in-out;
transition: margin-right 2s ease-in-out 0.5s;
transition:
margin-right 2s,
color 1s;
transition: all 1s ease-out;
<section id="default-example">
<div id="example-element">Hover to see<br />the transition.</div>
</section>
#example-element {
background-color: #e4f0f5;
color: black;
padding: 1rem;
border-radius: 0.5rem;
font: 1em monospace;
width: 100%;
transition: margin-right 2s;
}
#default-example:hover > #example-element {
background-color: #990099;
color: white;
margin-right: 40%;
}
Transitions enable you to define the transition between two states of an element. Different states may be defined using pseudo-classes like :hover
or :active
or dynamically set using JavaScript.
This property is a shorthand for the following CSS properties:
transition-behavior
transition-delay
transition-duration
transition-property
transition-timing-function
/* Apply to 1 property */
/* property name | duration */
transition: margin-right 4s;
/* property name | duration | delay */
transition: margin-right 4s 1s;
/* property name | duration | easing function */
transition: margin-right 4s ease-in-out;
/* property name | duration | easing function | delay */
transition: margin-right 4s ease-in-out 1s;
/* property name | duration | behavior */
transition: display 4s allow-discrete;
/* Apply to 2 properties */
transition:
margin-right 4s,
color 1s;
/* Apply to all changed properties */
transition: all 0.5s ease-out allow-discrete;
transition: 200ms linear 50ms;
/* Global values */
transition: inherit;
transition: initial;
transition: revert;
transition: revert-layer;
transition: unset;
The transition
property value is specified as one of the following:
none
, which specifies that no transitions will occur on this element. This is the default value.Each single-property transition describes the transition that should be applied to a single property or all properties. It includes:
<custom-ident>
representing a single property.all
, which specifies that the transition will be applied to all properties that change as the element changes state.all
will be inferred and the specified transition will still apply to all changing properties.<easing-function>
value representing the easing function to use<time>
values. The first value that can be parsed as a time is assigned to the transition-duration
, and the second value that can be parsed as a time is assigned to transition-delay
.allow-discrete
or the keyword normal
.If you specify all
as the transition property for one single-property transition, but then specify subsequent single-property transitions with <custom-ident>
values, those subsequent transitions will override the first one. For example:
transition:
all 200ms,
opacity 400ms;
In this case, all the properties that change as the element changes state will transition with a duration of 200ms except for opacity
, which will take 400ms to transition.
See how things are handled when lists of property values aren't the same length. In short, extra transition descriptions beyond the number of properties actually being animated are ignored.
Formal definition Formal syntaxtransition =Examples Basic example
<single-transition>#<single-transition> =
[ none | <single-transition-property> ] ||
<time> ||
<easing-function> ||
<time><single-transition-property> =
all |
<custom-ident><easing-function> =
<linear-easing-function> |
<cubic-bezier-easing-function> |
<step-easing-function><linear-easing-function> =
linear |
<linear()><cubic-bezier-easing-function> =
ease |
ease-in |
ease-out |
ease-in-out |
<cubic-bezier()><step-easing-function> =
step-start |
step-end |
<steps()><linear()> =
linear( [ <number> && <percentage>{0,2} ]# )<cubic-bezier()> =
cubic-bezier( [ <number [0,1]> , <number> ]#{2} )<steps()> =
steps( <integer> , <step-position>? )<step-position> =
jump-start |
jump-end |
jump-none |
jump-both |
start |
end
In this example, when the user hovers over the element, there is a half-second (500ms
) delay before a two-second background-color
transition occurs.
<a class="target">Hover over me</a>
CSS
We include two <time>
values. In the transition
shorthand, the first <time>
value is the transition-duration
. The second time value is the transition-delay
. Both default to 0s
if omitted.
.target {
font-size: 2rem;
background-color: palegoldenrod;
transition: background-color 2s 500ms;
}
.target:hover {
background-color: darkorange;
}
Specifications Browser compatibility
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