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源代码
在线运行
<!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.org/twitter-bootstrap/4.1.0/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script> <script src="https://cdn.staticfile.org/popper.js/1.12.5/umd/popper.min.js"></script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.1.0/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>块级按钮</h2> <button type="button" class="btn btn-primary btn-block">按钮 1</button> <button type="button" class="btn btn-default btn-block">按钮 2</button> <h2>大的块级按钮</h2> <button type="button" class="btn btn-primary btn-lg btn-block">按钮 1</button> <button type="button" class="btn btn-default btn-lg btn-block">按钮 2</button> <h2>小的块级按钮</h2> <button type="button" class="btn btn-primary btn-sm btn-block">按钮 1</button> <button type="button" class="btn btn-default btn-sm btn-block">按钮 2</button> </div> </body> </html>
动行结果
