CSS3动画之奔跑的小熊熊案例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.back{
position: relative;
margin: 300px auto;
width: 100%;
height: 400px;
background: url("back.png") no-repeat;
animation: back 8s linear infinite;
}
.bear{
position: absolute;
top:200px;
width: 200px;
height: 100px;
background: url("bear.png") no-repeat;
animation: bear 1s steps(8) infinite,move 3s forwards;
}
/*背景*/
@keyframes back {
0%{
background-position: 0 0;
}
100%{
background-position: 100% 0;
}
}
/*第二段-熊*/
@keyframes bear {
0%{
}
100%{
background-position: -1600px 0px;
}
}
/*熊-第一段*/
@keyframes move {
0%{
left: 0;
}
100%{
left:50%;
transform: translate(-50%);
}
}
</style>
</head>
<body>
<div class="back">
<div class="bear"></div>
</div>
</body>
</html>
图片在这里: