利用css3的动画实现图片轮播

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>lunbo</title>
</head>
<style type="text/css">
    *{margin:0;padding:0;}
    .d0{100px;height:100px;margin:100px;
        border:1px solid red; position:relative;}
    .d1{400px;height:100px;position:absolute;
        animation:lunbo 5s linear infinite;animation-direction:normal;}
    .d2{background:green;}
    .d3{background:red;}
    .d4{background:blue;}
    .d2,.d3,.d4{100px;height:100px;float:left;/*display:inline-block;*/}

    @keyframes lunbo{
        0%{left:0px;}
        55%{left:-100px;}
        75%{left:-200px;}
        100%{left:-300px;}
    }
</style>
<body>
    <div class="d0"><!--100-->
        <div class="d1"><!--400-->
            <div class="d2">1</div><!--100-->
            <div class="d3">2</div>
            <div class="d4">3</div>
            <div class="d2">1</div>
        </div>
    </div>
</body>
</html>
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