CSS边框流动

最新推荐文章于 2025-03-27 09:31:10 发布

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最新推荐文章于 2025-03-27 09:31:10 发布

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分类专栏： css 文章标签： css css3 html

本文链接：https://blog.youkuaiyun.com/qq_40853132/article/details/130729292

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效果图：

边框流动

代码如下：

<!DOCTYPE html>
<html lang='en'>
<head>
  <meta charset='UTF-8'>
  <title>边框流动</title>
  <style>
    .box {
      position: relative;
      width: 180px;
      height: 250px;
      background: rgba(0, 0, 0, 0.8);
      border-radius: 20px;
      display: flex;
      justify-content: center;
      align-items: center;
      overflow: hidden;
    }

    .box h2 {
      color: white;
      font-size: 4rem;
      text-shadow: 2px 2px pink;
      z-index: 1;
    }

    .box::before {
      content: '';
      position: absolute;
      width: 120px;
      height: 120%;
      background: linear-gradient(#00ccff, #d500f9);
      animation: rotate 4s linear infinite;

    }

    @keyframes rotate {
      from {
        transform: rotate(0deg);
      }

      to {
        transform: rotate(360deg);
      }
    }

    .box::after {
      content: '';
      position: absolute;
      background: #0e1538;
      /* inset是简写，等价于top: 5px;left: 5px;bottom: 5px;right: 5px;*/
      inset: 5px;
      border-radius: 20px;
    }
  </style>
</head>
<body>
  <div class="box">
    <h2>CSS</h2>
  </div>
</body>
</html>