html+css3+anime.js实现线条来回滑动且渐隐动画

效果：

 代码：

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <meta
      name="viewport"
      content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0"
    />
    <meta name="referrer" content="no-referrer" />
    <title>demo</title>
  </head>
  <body>
    <div class="loading_box">
    <div class="loading_info">
      <div class="red_bar"></div>
    </div>
</div>
  </div>
  <style>
    html, body{
        margin: 0;
        padding: 0;
    }
    .loading_box{
      position: relative;
        padding: 36px;
        box-sizing: border-box;
        background-color: rgb(39, 38, 38);
    }
    .red_bar {
      background-color: #8f2a29;
      position: absolute;
      height: 5px;
      width: 50px;
      left: 10px;
      bottom: 0;
      animation: red_bar1 3000ms linear infinite alternate;
  }
  @keyframes red_bar1 {
    to {
      transform: translateX(500%);
    opacity: 0.1;
    }
  }
  </style>
</html>

　　

posted @ 2023-10-19 10:58  芝麻小仙女  阅读(124)  评论(0)    收藏  举报