In CSS3, you can use the animation attribute and the "@keyframes" rule to add rotation animation to the image to rotate the image. Implementation steps: 1. Use the statement "@keyframes animation name {50% {transform: rotate(rotation angle);}" to create a rotation animation; 2. Use the statement "picture element {animation: animation name time infinite;}" to animate the rotation Just apply it to the specified picture element.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
In css3, you can use the animation attribute and the "@keyframes" rule to add a rotation animation to the image to rotate it
@keyframes It is a rule of CSS3 that can be used to define the behavior of a period of CSS animation and create simple animations.
The animation property is used to apply animation to a specified element; using different CSS animation properties, you can control many different aspects of the animation, including the number of animation iterations, whether it is starting Alternate between and end value, and whether the animation should run or pause. Animations can also delay their start time.
Syntax:
/* 定义动画*/
@keyframes 动画名称{
/* 样式规则*/
}
/* 将它应用于元素 */
.element {
animation-name: 动画名称（在@keyframes中已经声明好的）;
/* 或使用动画简写属性*/
animation: 动画名称 1s ...
}To define a rotation animation, you need to use the transform attribute; use transform: rotate (rotation angle) in the "@keyframes" rule Just control the rotation.
Implementation code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
img {
margin: 100px;
animation: mymove 5s infinite;
-webkit-animation: mymove 5s infinite; /* Safari and Chrome */
}
@keyframes mymove {
50% {
transform: rotate(360deg);
}
}
@-webkit-keyframes mymove{ /* Safari and Chrome */
50% {
transform: rotate(360deg);
}
}
</style>
</head>
<body>
<img src="/static/imghwm/default1.png" data-src="img/1.jpg" class="lazy" style="max-width:90%" / alt="How to rotate an image in css3" >
</body>
</html>
Description: animation attribute
| Value | Description |
|---|---|
| animation | A shorthand attribute. |
| animation-name | Specifies the name of the keyframe to be bound to the selector |
| animation-duration | The animation specifies how many seconds or milliseconds it takes to complete |
| animation-timing-function | Set how the animation will complete a cycle |
| animation-delay | Set the animation Delay interval before starting. |
| animation-iteration-count | Define the number of times the animation is played. |
| animation-direction | Specifies whether the animation should be played in reverse in turns. |
| animation-fill-mode | Specifies that when the animation is not playing (when the animation is completed, or when the animation has a delay before starting to play), it is to be applied to The style of the element. |
| animation-play-state | Specifies whether the animation is running or paused. |
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