Mbilse.github.io/codetest.html at main · Mbilse/Mbilse.github.io · GitHub

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<!DOCTYPE html>
<html lang="zh-cn">

<head>
    <meta charset="UTF-8">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            display: flex;
            height: 100vh;
            justify-content: center;
            align-items: center;
        }


        #div {
        background-color: #000;
            width: 250px;
            height: 250px;
            position: relative;
            /* overflow: hidden; */
            border-radius: 100%;
        }

        #circle {
            position: absolute;
            right: 0;
            top: 0;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: blue;
            animation: runs 1.7s linear infinite;
        }

        #d1 {
            position: absolute;
            right: 0;
            top: 0;
            background: #fff;
            animation: run1 2s linear infinite;
            transform-origin: bottom left;
        }

        #d2 {
            position: absolute;
            right: 50%;
            top: 0;
            background: #fff;
            animation: run 2s linear infinite;
            animation-delay: 0.75s;
            transform-origin: bottom right;
        }

        #d3 {
            position: absolute;
            right: 0;
            top: 50%;
            background: #fff;
            animation: run 2s linear infinite;
            animation-delay: 0.25s;
            transform-origin: top left;
        }

        #d4 {
            position: absolute;
            right: 50%;
            top: 50%;
            background: #fff;
            animation: run 2s linear infinite;
            animation-delay: 0.5s;
            transform-origin: top right;
        }

        #d1,
        #d2,
        #d3,
        #d4 {
            width: 50%;
            height: 50%;
        }

        @keyframes run {
            0% {
                transform: rotate(0deg);
            }
            50%,
            100% {
                transform: rotate(360deg);
            }
        }

        @keyframes run1 {
            0% {
                transform: rotate(20deg);
            }
            50%,
            100% {
                transform: rotate(380deg);
            }
        }

        @keyframes runs {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }

        .zz {
            width: 80%;
            height: 80%;
            border-radius: 50%;
            position: relative;
            top: 10%;
            left: 10%;
            background-color: #fff;
        }
    </style>
</head>

<body>

    <div id="div">
        <div id="circle">
            <div id="d1"></div>
            <div id="d2"></div>
            <div id="d3"></div>
            <div id="d4"></div>
            <div class="zz"></div>
        </div>
    </div>

</body>

</html>