<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
*{
margin: 0;
padding: 0;
text-decoration: none;
}
ul li{
list-style: none;
}
.baner-box{
position: relative;
width: 400px;
height: 200px;
overflow: hidden;
}
.banner{
width:1600px;
position: absolute;
left:0;
animation-name: bannerMove;
animation-duration: 8s;
animation-iteration-count: infinite;
}
@keyframes bannerMove {
0%,30%{
left: 0;
}
35%,65%{
left: -400px;
}
70%,99%{
left: -800px;
}
100%{
left: -1200px;
}
}
.banner li{
float: left;
width: 400px;
height: 200px;
}
</style>
</head>
<body>
<div class="baner-box">
<ul class="banner">
<li style="background-color:#f90;"></li>
<li style="background-color:#f00;"></li>
<li style="background-color:#9f0;"></li>
<li style="background-color:#333;"></li>
</ul>
</div>
</body>
</html>
来源：https://www.cnblogs.com/gg123/p/7108430.html