彩色动态球

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .outer{
            height: 300px;
            border-bottom: 10px solid black;
            margin: 0 auto;
            overflow: hidden;
        }
        .outer div{
            width: 50px;
            height: 50px;
            border-radius: 50%;
            animation:boll .5s forwards ease-in infinite alternate;
            float:left;
        }
        .outer .box2{
            background-color: red;
        }
        .outer .box3{
            background-color: orange;
            /* 设置延时 */
            animation-delay: 0.1s;
        }
        .outer .box4{
            background-color: yellow;
            animation-delay: 0.2s;
        }
        .outer .box5{
            background-color:green;
            animation-delay: 0.3s;
        }.outer .box6{
            background-color:blue;
            animation-delay: 0.4s;
        }
        .outer .box7{
            background-color: indigo;
            animation-delay: 0.5s;
        }
        @keyframes boll {
            from{
                margin-top: 0px;
            }
            to{
                animation-timing-function: ease-in;
                margin-top: 250px;
            }
        }
    </style>
</head>
<body>
    <div class="outer">
        <div class="box2"></div>
        <div class="box3"></div>
        <div class="box4"></div>
        <div class="box5"></div>
        <div class="box6"></div>
        <div class="box7"></div>
        <div class="box8"></div>
    </div>
</body>
</html>
posted @ 2020-02-17 14:08  玄空2  阅读(99)  评论(0编辑  收藏  举报