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css3loading状态3

2016-06-22 16:48 405 查看


<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
.demo{
width:400px;
margin: 50px auto;
position: relative;
}
.demo i{
display: block;
width:20px;
height: 20px;
background:#333;
border-radius:50%;
position: absolute;
}
.demo i:nth-child(1){animation:loading-3 2s linear 0s infinite;}
.demo i:nth-child(2){animation:loading-3 2s linear -.4s infinite;}
.demo i:nth-child(3){animation:loading-3 2s linear -.8s infinite;}
.demo i:nth-child(4){animation:loading-3 2s linear -1.2s infinite;}
.demo i:nth-child(5){animation:loading-3 2s linear -1.6s infinite;}

@keyframes loading-3{
0%{
left:100px;
top:0;
}
80%{
left:0px;
top:0;
}
85%{
left:0px;
top:-20px;
width:20px;
height: 20px;
}
90%{
width:40px;
height: 20px;
}
95%{
width: 20px;
height: 20px;
top:-20px;
left:100px;
}
100%{
left:100px;
top:0px;
}
}
</style>
</head>
<body>
<div class="demo">
<i></i>
<i></i>
<i></i>
<i></i>
<i></i>
</div>
</body>
</html>
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