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<!DOCTYPE html> <html> <head> <title>Bootstrap 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.net/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.staticfile.net/jquery/3.2.1/jquery.min.js"></script> <script src="https://cdn.staticfile.net/popper.js/1.15.0/umd/popper.min.js"></script> <script src="https://cdn.staticfile.net/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <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">First item</li> <li class="list-group-item">Second item</li> <li class="list-group-item">Third item</li> <li class="list-group-item">Fourth item</li> </ul> </div> </body> </html>
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