关于html:波浪

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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> 波浪 </title>
  <style>
    *{
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body{
      background-color: #000;
      position: relative;
      width: 100%;
      height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      overflow: hidden;
    }
    .wave{
      width: 100%;
      height: 100%;
      background-color: #4973ff;
      position: absolute;
      top: 0;
      left: 0;
    }
    span{
      position: absolute;
      width: 325vh;
      height: 325vh;
      top: 0;
      left: 50%;
      transform: translate(-50%, -75%);
      background-color: #000;
    }
    span:nth-child(1){
      animation: animate 5s linear infinite;
      border-radius: 45%;
      background-color: rgba(0, 0, 0, 1);
    }
    span:nth-child(2){
      animation: animate 5s linear infinite;
      border-radius: 40%;
      background-color: rgba(0, 0, 0, .5);
    }
    span:nth-child(3){
      animation: animate 5s linear infinite;
      border-radius: 42.5%;
      background-color: rgba(0, 0, 0, .5);
    }
    @keyframes animate {
      0%{transform: translate(-50%, -75%) rotate(0deg);
      }
      100%{transform: translate(-50%, -75%) rotate(360deg);
      }
    }

    .content{
      color: #fff;
      font-size: 4em;
      position: relative;
      z-index: 1;
    }
  </style>
</head>
<body>
  <div class="wave">
    <span></span>
    <span></span>
    <span></span>
  </div>
  <div class="content">
    <h2>wave content</h2>
  </div>
</body>
</html>

正文完