CSS3无限转换动画-在线运行代码案例-大卫编程网

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS3无限转换动画示例- div.cn 基础教程</title>
<style>
    .box {
        margin: 50px;
        width:103px;
        height:130px;
        background: url("/run/images/octopus.png") no-repeat;
        position: relative;
        /* Chrome, Safari, Opera */
        -webkit-animation: repeatit 2s linear 0s infinite alternate;
        /* Standard syntax */
        animation: repeatit 2s linear 0s infinite alternate;
    }
     
    /* Chrome, Safari, Opera */
    @-webkit-keyframes repeatit {
        from {left: 0;}
        to {left: 50%;}
    }
     
    /* Standard syntax */
    @keyframes repeatit {
        from {left: 0;}
        to {left: 50%;}
    }
</style>
</head>
<body>
    <div class="box"></div>
</body>
</html>