<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>奔跑的熊熊</title>
<style>
body {
background-color: #ccc;
}
div {
position: absolute;
top: 500px;
width: 200px;
height: 100px;
background: url(../images/bear.png) no-repeat;
/* 2.调用动画 */
/* 运动速度曲线默认为ease,这里用steps(8)步长，分8步完成 */
/* 我们元素可以添加多个动画，用逗号分隔 */
animation: bear 1s steps(8) infinite, move 3s forwards;
}
/* 1.设置动画 */
@keyframes bear {
0% {
background-position: 0 0;
}
100% {
/* 从左往右走 */
background-position: -1600px 0;
}
}
@keyframes move {
0% {
left: 0;
}
100% {
left: 50%;
/* 中间位置 margin-left:-100px; 等价于transform: translate(-50%); */
transform: translateX(-50%);
}
}
</style>
</head>
<body>
<div></div>
</body>
</html>