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This article mainly introduces the relevant knowledge of "how the CSS3 transition works". The editor shows you the operation process through the actual case. The operation method is simple, fast and practical. I hope this article "how the CSS3 transition works" can help you solve the problem.

CSS3 transition

In CSS3, we don't need to use Flash animation or JavaScript when we can switch from one style to another in order to add an effect.

How does it work?

A CSS3 transition is the effect of a gradual change of elements from one style to another.

To achieve this, two things must be specified:

Specify the CSS property to which you want to add an effect

Specifies the duration of the effect.

Example

The transition effect applied to the width attribute for a period of 2 seconds:

Div

{

Transition: width 2s

-webkit-transition: width 2s; / * Safari * /

}

Note: if the specified period is not specified, transition will have no effect because the default value is 0.

The effect changes when the value of the specified CSS property changes. A typical change in the CSS attribute is when the user mouse over an element:

Example

Specifies that when the mouse pointer hovers over the element (: hover):

Div:hover

{

Width:300px

}

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