仅使用 CSS 旋转制作八卦迷惑动画-玄门社区-风水自学网

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>yinyang</title>
  <style>
    body {
      background-color: #eee;
    }
    .circle {
      margin-top: 3rem;
      box-sizing: border-box;
      height: 200px;
      width: 200px;
      border-radius: 50%;
      padding-left: 50px;
      background-image: linear-gradient(to left, #fff, #fff 50%, #000 50%, #000);
      animation: roll 10s linear infinite;
      /* 反向旋转 */
      animation-direction: reverse;
    }
    .yinyang {
      position: relative;
      background-color: #fff;
      height: 100px;
      width: 100px;
      border-radius: 50%;
      background-image: linear-gradient(to left, #fff, #fff 50%, #000 50%, #000);
      /* 4秒中完成一次匀速动画，并循环播放 */
      animation: roll 4s linear infinite; 
    }
    .yinyang::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      background: #fff;
      border: 18px solid #000;
      border-radius: 50%;
      width: 14px;
      height: 14px;
    }
    .yinyang::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      background: #000;
      border: 18px solid #fff;
      border-radius: 50%;
      width: 14px;
      height: 14px;
    }
    @keyframes roll {
      from {
        /* 从零度开始 */
        transform: rotate(0deg); 
      }
      to {
        /* 旋转一周 */
        transform: rotate(-360deg); 
      }
    }
  </style>
</head>
<body>
  <div class="circle">
    <div class="yinyang"></div>
    <div class="yinyang"></div>
  </div>
</body>
</html>