菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>
<html>
<head>
  <title>Bootstrap5 实例</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link href="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/js/bootstrap.bundle.min.js"></script>
</head>
<body>

<div class="container mt-3">
  <h2>移除列表边框</h2>
  <p>使用 .list-group-flush 类来删除列表的边框和圆角：</p>
</div>
  
<div class="container">
  <ul class="list-group list-group-flush">
    <li class="list-group-item">第一项</li>
    <li class="list-group-item">第二项</li>
    <li class="list-group-item">第三项</li>
    <li class="list-group-item">第四项</li>
  </ul>

</div>

</body>
</html>
              