console 命令行工具 X clear

console

<!DOCTYPE html>
<html lang="zh-cn">
<head>
    <meta charset="UTF-8">
    <title>太极</title>
</head>
<body>
    <div class="main-circle">
        <div class="circle black"></div>
        <div class="circle white"></div>
        <div class="eight a">
            <div class="seven eight-1"></div>
        </div>
        <div class="eight b">
            <div class="seven eight-2"></div>
        </div>
        <div class="eight c">
            <div class="seven eight-3"></div>
        </div>
        <div class="eight d">
            <div class="seven eight-4"></div>
        </div>
        <div class="eight e">
            <div class="seven eight-5"></div>
        </div>
        <div class="eight f">
            <div class="seven eight-6"></div>
        </div>
        <div class="eight g">
            <div class="seven eight-7"></div>
        </div>
        <div class="eight h">
            <div class="seven eight-8"></div>
        </div>
    </div>
</body>
</html>

/* format */
body {
    margin: 0;
    overflow: hidden;
}
/* end format */

/* taiji */
.main-circle {
    position: relative;
    top: 170px;
    margin: 0 auto;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    box-shadow: 0 0 20px 1px;
    animation: rotate 4s linear infinite;
    background-color: #fff;
}

@keyframes rotate {
    0% {
        transform: rotate(0);
    }

    100% {
        transform: rotate(360deg);
    }
}

.main-circle::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 400px;
    border-radius: 0 200px 200px 0;
    background-color: #000;
}

.circle {
    position: absolute;
    left: 100px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
}

.black {
    top: 0;
    background-color: #000;
}

.white {
    z-index: 1;
    top: 200px;
    background-color: #fff;
}

.black::after,
.white::after {
    z-index: 2;
    content: '';
    position: absolute;
    top: 65px;
    left: 65px;
    width: 70px;
    height: 70px;
    border-radius: 50%;
}

.black::after {
    background-color: #fff;
}

.white::after {
    background-color: #000;
}

.eight {
    position: absolute;
    top: -150px;
    left: 125px;
    width: 150px;
    height: 100px;
    background: black;
    transform-origin: 75px 350px;
}

.eight::before,
.eight::after {
    position: absolute;
    left: 0;
    width: 150px;
    height: 20px;
    background-color: #fff;
    content: '';
}

.eight::before {
    top: 20px;
}

.eight::after {
    top: 60px;
}

.a {
    transform: rotate(0);
}

.b {
    transform: rotate(45deg);
}

.c {
    transform: rotate(90deg);
}

.d {
    transform: rotate(135deg);
}

.e {
    transform: rotate(180deg);
}

.f {
    transform: rotate(-135deg);
}

.g {
    transform: rotate(-90deg);
}

.h {
    transform: rotate(-45deg);
}

.seven {
    position: absolute;
    right: 65px;
    width: 20px;
    background: #fff;
}

.eight-1 {
    top: 40px;
    height: 20px;
}

.eight-2 {
    height: 100px;
}

.eight-3 {
    bottom: 0;
    height: 20px;
}

.eight-5 {
    top: 0;
    height: 20px;
}

.eight-5::before {
    content: '';
    position: absolute;
    top: 80px;
    width: 20px;
    height: 20px;
    background-color: #fff;
}

.eight-6 {
    height: 60px;
    top: 0;
}

.eight-7 {
    height: 60px;
    bottom: 0;
}

.eight-8 {
    height: 20px;
    top: 0;
}