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PHPz批改状态：合格
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太极图<!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>Document</title><style>.yinyang {width: 120px; height: 240px;background-color: white;border-color: black;border-style: solid;border-width: 1px 121px 1px 1px;border-radius: 50%;position: relative;}.yinyang:before {content: "";position: absolute;top: 50%;left: 50%;background-color: white;border: 40px solid black;border-radius: 50%;width: 40px;height: 40px;}.yinyang:after {content: "";position: absolute;top: 0;left: 50%;background-color: black;border: 40px solid white;border-radius:50%;width: 40px;height: 40px;}</style></head><body><div class="yinyang"></div></body></html>
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