<!DOCTYPE HTML>
<html lang="en-US">
<head>
<meta charset="UTF-8">
<title>css3二维码扫描动画效果</title>
<style type="text/css">
.scan-box{
width: 200px;
height: 200px;
background: url('http://project.icphp.com/assets/images/icecry613.jpg');
}
.scan{
animation-name: saoma;
-webkit-animation-name: saoma;
animation-duration: 5s;
-webkit-animation-duration: 5s;
animation-timing-function: linear;
-webkit-animation-timing-function: linear;
-webkit-animation-iteration-count: infinite;
animation-iteration-count: infinite;
width: 200px;
height: 200px;
position: absolute;
top: -225px;
background: rgba(26, 132, 190, 0.3);
border-bottom: 3px solid #4AB86A;
}
@keyframes saoma{0%{top:-205px;}100%{top:0;}}
@-webkit-keyframes saoma{0%{top:-205px;}100%{top:0;}}
@-moz-keyframes saoma{0%{top:-205px;}100%{top:0;}}
</style>
</head>
<body>
<div class="scan-box">
<div class="scan"></div>
</div>
</body>
</html>