<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>变形中心点</title>
<style type="text/css">
div{
width: 200px;
height: 200px;
background-color: gold;
float: left;
margin: 30px;
transition: all 500ms ease;
}
div:hover{
transform: rotate(-90deg);
}
div:nth-child(1){
/*设置变形的中心点*/
transform-origin: left center;
}
div:nth-child(2){
transform-origin: left top;
}
div:nth-child(3){
transform-origin: 50px 50px;
}
</style>
</head>
<body>
<div></div>
<div></div>
<div></div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>背面可见</title>
<style type="text/css">
.con{
width: 300px;
height: 300px;
margin: 50px auto 0;
border: 1px solid #000;
}
.box{
width: 300px;
height: 300px;
background-color: gold;
text-align: center;
line-height: 300px;
font-size: 50px;
transition: all 500ms ease;
/*设置盒子按3d空间显示*/
transform-style: preserve-3d;
/*设置透视距离、三维旋转的初始角度*/
transform: perspective(800px) rotateY(0deg);
/*设置盒子背面是否可见*/
backface-visibility: hidden;
}
.con:hover .box{
transform: rotateY(180deg);
}
</style>
</head>
<body>
<div class="con">
<div class="box">div元素</div>
</div>
</body>
</html>
这两句是为了演示图片和文字层重叠的效果：
transform-style: preserve-3d;
transform: perspective(800px) rotateY(45deg);初始旋转45度
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>图片翻面</title>
<style type="text/css">
.con{
width: 300px;
height: 272px;
margin: 100px auto 0;
position: relative;
}
.pic, .info{
width: 300px;
height: 272px;
position: absolute;
left: 0;
top: 0;
/*图片和文字背面不可见，文字初始已翻转，所以隐藏露出底层图片*/
backface-visibility: hidden;
transform-style: preserve-3d;
transform: perspective(800px) rotateY(0deg);
transition: all 500ms ease;
}
.info{
background-color: gold;
text-align: center;
line-height: 272px;
/*transform: translateZ(10px);初始文字浮起10像素方便查看图片与文字分层的效果*/
/*初始文字翻转，鼠标移入时才翻正显示*/
transform: translateZ(2px) rotateY(180deg);
}
/*鼠标移入时图片翻为背面隐藏*/
.con:hover .pic{
transform: perspective(800px) rotateY(180deg);
}
/*鼠标移入时文字翻为正面显示*/
.con:hover .info{
transform: perspective(800px) rotateY(0deg);
}
</style>
</head>
<body>
<div class="con">
<div class="pic">
<img src="img/location_bg.jpg" alt="玫瑰花">
</div>
<div class="info">玫瑰花的文字说明</div>
</div>
</body>
</html>
动画名称、时间、曲线、延迟、播放次数、结束后是否返回、动画前后的状态
infinite不限制次数
alternate动画结束后返回，返回也算次数
animation-fill-mode 动画前后的状态
forwards动画完成保持在最后一帧
backwards在延迟时间内，在动画显示之前，应用from开始属性值（例如box宽100，from宽200，在延迟1s内显示200）
both向前和向后填充模式都被应用（例如起始按200，结束停在最后一帧）
<meta charset="UTF-8">
<title>animation动画</title>
<style type="text/css">
.box{
width: 100px;
height: 100px;
background-color: gold;
animation: moving 1s ease 1s 5 alternate both;
/*动画暂停*/
/*animation-play-state: paused;*/
}
.box:hover{
/*动画运行*/
/*animation-play-state: running;*/
}
/*定义一个动画，名称为moving*/
@keyframes moving{
/*初始状态*/
from{
width: 200px;
}
/*结束状态*/
to{
width: 500px;
}
}
</style>
</head>
<body>
<div class="box"></div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>多帧动画</title>
<style type="text/css">
.box{
width: 100px;
height: 100px;
background-color: gold;
margin: 50px auto 0;
animation: moving 1s ease 1s both;
}
@keyframes moving{
0%{
/*位移动画*/
transform: translateY(0px);
background-color: cyan;
}
50%{
transform: translateY(400px);
background-color: gold;
border-radius: 0px;
}
100%{
transform: translateY(0px);
background-color: red;
border-radius: 50px;
}
}
</style>
</head>
<body>
<div class="box"></div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>loading动画</title>
<style type="text/css">
.box{
width: 300px;
height: 125px;
border: 1px solid #000;
margin: 200px auto 0;
}
.box p{
text-align: center;
width: 100%;
}
.box div{
width: 30px;
height: 70px;
float: left;
background-color: gold;
margin: 15px;
border-radius: 10px;
}
.box div:nth-child(1){
background-color: red;
animation: loading 500ms ease 0s infinite alternate;
}
.box div:nth-child(2){
background-color: green;
animation: loading 500ms ease 100ms infinite alternate;
}
.box div:nth-child(3){
background-color: pink;
animation: loading 500ms ease 200ms infinite alternate;
}
.box div:nth-child(4){
background-color: greenyellow;
animation: loading 500ms ease 300ms infinite alternate;
}
.box div:nth-child(5){
background-color: cyan;
animation: loading 500ms ease 400ms infinite alternate;
}
@keyframes loading{
from{
transform: scaleY(1);
}
to{
transform: scaleY(0.5);
}
}
</style>
</head>
<body>
<div class="box">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<p>loading...</p>
</div>
</body>
</html>
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