代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>c3过渡</title>
<style>
.test{
box-sizing: border-box;
border: 5px solid #f00;
padding: 5px;
100px;
height: 100px;
position: absolute;
/* 简写的姿势排序
@keyframes name : 动画名
duration 持续时间
timing-function 动画频率
delay 延迟多久开始
iteration-count 循环次数
direction 动画方式,往返还是正向
fill-mode 一般用来处理停留在某一帧
play-state running 开始,paused 暂停 ....
更多的参数去查文档吧..我就不一一列举了 */
animation: moveChangeColor ease-in 2.5s 1 forwards running;
}
@keyframes moveChangeColor {
from {
top:0%;
left:5%;
background-color:#f00
}
to{
top:0%;
left:50%;
background-color:#ced;
}
}
</style>
</head>
<body>
<div class="test"></div>
</body>
</html>