
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>太极八卦图</title>
</head>
<style>
* {
margin: 0;
padding: 0;
}
body{
background-color: #333;
}
.box {
width: 800px;
height: 800px;
margin: 50px auto;
display: flex;
justify-content: center;
align-items: center;
}
.yinyang {
width: 600px;
height: 600px;
background: #fff;
box-sizing: border-box;
border-color: #000;
border-style: solid;
border-width: 10px 10px 300px 10px;
border-radius: 100%;
position: absolute;
z-index: 10;
transform: scale(0.65);
animation: yinyangRotate 10s infinite linear;
}
.yinyang::before {
content: "";
width: 290px;
height: 290px;
background: #fff;
box-sizing: border-box;
border-radius: 100%;
border: 110px solid #000;
position: absolute;
left: 0;
top: 100%;
transform: translate(0, -50%);
}
.yinyang::after {
content: "";
width: 290px;
height: 290px;
background: #000;
box-sizing: border-box;
border-radius: 100%;
border: 110px solid #fff;
position: absolute;
right: 0;
top: 100%;
transform: translate(0, -50%);
}
@keyframes yinyangRotate {
from {
transform: scale(0.65) rotate(0deg);
}
to {
transform: scale(0.65) rotate(360deg);
}
}
.bg-black {
width: 600px;
height: 200px;
background: #000000;
position: relative;
}
.bg-black::before {
content: "";
width: 220px;
border-left: 190px solid transparent;
border-right: 190px solid transparent;
border-bottom: 200px solid #000;
position: absolute;
left: 0;
top: -200px;
}
.bg-black::after {
content: "";
width: 220px;
border-left: 190px solid transparent;
border-right: 190px solid transparent;
border-top: 200px solid #000;
position: absolute;
left: 0;
bottom: -200px;
}
.bg-white {
width: 570px;
height: 190px;
background: #fff;
position: absolute;
}
.bg-white::before {
content: "";
width: 210px;
border-left: 180px solid transparent;
border-right: 180px solid transparent;
border-bottom: 190px solid #fff;
position: absolute;
left: 0;
top: -190px;
}
.bg-white::after {
content: "";
width: 210px;
border-left: 180px solid transparent;
border-right: 180px solid transparent;
border-top: 190px solid #fff;
position: absolute;
left: 0;
bottom: -190px;
}
.side {
width: 100px;
height: 100px;
position: absolute;
z-index: 9;
}
.side:nth-child(1) {
transform: rotate(0deg) translateY(-280px);
}
.side:nth-child(2) {
transform: rotate(45deg) translateY(-270px);
}
.side:nth-child(3) {
transform: rotate(90deg) translateY(-280px);
}
.side:nth-child(4) {
transform: rotate(135deg) translateY(-270px);
}
.side:nth-child(5) {
transform: rotate(180deg) translateY(-280px);
}
.side:nth-child(6) {
transform: rotate(225deg) translateY(-270px);
}
.side:nth-child(7) {
transform: rotate(270deg) translateY(-280px);
}
.side:nth-child(8) {
transform: rotate(315deg) translateY(-270px);
}
.line {
box-sizing: border-box;
border-left: 5px solid transparent;
border-right: 5px solid transparent;
border-top: 10px solid #000;
position: absolute;
left: 50%;
transform: translate(-50%, 0);
}
.line:nth-child(1) {
width: 50px;
bottom: 0;
}
.line:nth-child(2) {
width: 70px;
bottom: 15px;
}
.line:nth-child(3) {
width: 90px;
bottom: 30px;
}
.split-line::before {
content: "";
width: 8px;
height: 12px;
display: block;
background: #fff;
position: absolute;
left: 50%;
margin-left: -4px;
top: -12px;
}
</style>
<body>
<div class="box">
<div class="side">
<div class="line"></div>
<div class="line split-line"></div>
<div class="line"></div>
</div>
<div class="side">
<div class="line split-line"></div>
<div class="line split-line"></div>
<div class="line split-line"></div>
</div>
<div class="side">
<div class="line split-line"></div>
<div class="line split-line"></div>
<div class="line"></div>
</div>
<div class="side">
<div class="line"></div>
<div class="line"></div>
<div class="line split-line"></div>
</div>
<div class="side">
<div class="line split-line"></div>
<div class="line"></div>
<div class="line split-line"></div>
</div>
<div class="side">
<div class="line"></div>
<div class="line split-line"></div>
<div class="line split-line"></div>
</div>
<div class="side">
<div class="line split-line"></div>
<div class="line"></div>
<div class="line"></div>
</div>
<div class="side">
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
</div>
<div class="yinyang"></div>
<div class="bg-black"></div>
<div class="bg-white"></div>
</div>
</body>
</html>