关于html:悬浮特效

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代码来自头条号 ’ 前端小智 ’, 侵权删

<!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> 悬停水波纹 </title>
  <style>
    *{
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body{
      height: 100vh;
      background: #000;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .container{
      position: relative;
      display: flex;
      /* flex-direction: column; */
      align-items: center;
    }
    a{
      position: relative;
      width: 150px;
      height: 55px;
      text-align: center;
      line-height: 55px;
      margin: 10px;
      text-transform: uppercase;
      background: #191919;
      color: #fff;
      letter-spacing: 2px;
      text-decoration: none;
      overflow: hidden;
    }
    span{
      position: relative;
      display: block;
      width: 100%;
      height: 100%;
      z-index: 100;
      transition: 0s ease-in;
    }
    a:hover span{
      transition: 0.4s ease-in;
      transform: translateY(-100%);
    }
    a::before{
      content: "";
      width: 250px;
      height: 250px;
      background: #2299ff;
      border-radius: 50%;
      position: absolute;
      bottom: -250px;
      left: 50%;
      transform: translateX(-50%);
      transition: 0.4s ease-in;
    }
    a:hover::before{bottom: -150px;}
    a:nth-child(2)::before{bottom: 60px;}
    a:nth-child(2):hover::before {bottom: -40px;}
  </style>
</head>
<body>
  <div class="container">
    <a href="#"> <!-- 还只能用 a 标签, 不然不会换行 -->
      <span>button</span>
      <span>button</span>
    </a>
    <a herf="#">
      <span>button</span>
      <span>button</span>
    </a>
  </div>
</body>
</html>

正文完