李南江HTML5培训课件-动画模块云层效果
责任编辑：柳暮雪 来源：晋网 时间：2017-02-13 16:48 热搜：动画,培训 阅读量：14783
讲师：李南江
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>104-动画模块-云层效果</title>
<style>
*{
margin: 0;
padding: 0;
}
ul{
height: 400px;
background-color: skyblue;
margin-top: 100px;
animation: change 5s linear 0s infinite alternate;
position: relative;
overflow: hidden;
}
ul li{
list-style: none;
width: 400%;
height: 100%;
position: absolute;
left: 0;
top: 0;
}
ul li:nth-child(1){
background-image: url("images/cloud_one.png");
animation: one 30s linear 0s infinite alternate;
}
ul li:nth-child(2){
background-image: url("images/cloud_two.png");
animation: two 30s linear 0s infinite alternate;
}
ul li:nth-child(3){
background-image: url("images/cloud_three.png");
animation: three 30s linear 0s infinite alternate;
}
@keyframes change {
from{
background-color: skyblue;
}
to{
background-color: black;
}
}
@keyframes one {
from{
margin-left: 0;
}
to{
margin-left: -100%;
}
}
@keyframes two {
from{
margin-left: 0;
}
to{
margin-left: -200%;
}
}
@keyframes three {
from{
margin-left: 0;
}
to{
margin-left: -300%;
}
}
</style>
</head>
<body>
<ul>
<li></li>
<li></li>
<li></li>
</ul>
</body>
</html>
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