css动画-太极图

作者: ssttIsme | 来源:发表于2020-03-07 19:28 被阅读0次

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>太极图</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .box{
            position: relative;
            width: 240px;
            height: 120px;
            margin: 100px auto;
            border-style:solid ;
            border-width: 1px 1px 120px 1px;
            border-radius: 50%;
            animation: rot 2s infinite linear;
        }
        .box:before{
            content: "";
            position: absolute;
            top: 50%;
            left: 0;
            width: 40px;
            height: 40px;
            background-color: #fff;
            border-radius: 50%;
            border: 40px solid #000;
        }
        .box:after{
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 40px;
            height: 40px;
            background-color: #000000;
            border-radius: 50%;
            border: 40px solid #fff;
        }
        @keyframes rot {
            0%{
                transform: rotate(0deg);
            }
            100%{
                transform: rotate(360deg);
            }
        }
    </style>
</head>
<body>
    <div class="box"></div>
</body>
</html>