纯CSS3实现动画—奔跑的北极熊
纯CSS3实现动画—奔跑的北极熊
代码如下：直接复制粘贴即可食用（注意背景图片路径）
<!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>奔跑的北极熊</title>
</head>
<style>
h1 {
height: 100px;
line-height: 150px;
text-align: center;
}
.wbear {
position: absolute;
width: 200px;
height: 100px;
bottom: 0px;
background-image: url(./img/bear.png);
/* 第一个动画为北极熊自身图片滚动（分为8步），第二个动画为北极熊整体的移动 */
animation: bear .8s steps(8) infinite, bearmove 15s forwards;
}
@keyframes bear {
0% {
background-position: 0 0;
}
100% {
background-position: -1600px 0;
}
}
@keyframes bearmove {
0% {
left: 0;
}
100% {
left: 50%;
transform: translateX(-50%);
}
}
.bg1 {
position: relative;
height: 400px;
background-image: url(./img/bg2.png);
animation: bgmove1 30s linear forwards;
}
.bg2 {
position: absolute;
width: 100%;
height: 200px;
left: 0px;
bottom: 0px;
background-image: url(./img/bg1.png);
animation: bgmove2 30s linear forwards;
}
@keyframes bgmove1 {
0% {
background-position: 0 0;
}
100% {
background-position: -400px 0;
}
}
@keyframes bgmove2 {
0% {
background-position: 0 0;
}
100% {
background-position: -1600px 0;
}
}
</style>
<body>
<h1>CSS3动画——奔跑的北极熊</h1>
<div class="bg1">
<div class="bg2">
<div class="wbear"></div>
</div>
</div>
</body>
</html>
背景图1： 背景图2： 白熊：
