BootWiki教程网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <title>Bootstrap 实例</title> <meta charset="utf-8"> <meta content="width=device-width, initial-scale=1" name="viewport"> <link href="//cdn.staticfile.net/twitter-bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet"> <script src="//cdn.staticfile.net/jquery/3.2.1/jquery.min.js"></script> <script src="//cdn.staticfile.net/popper.js/1.12.5/umd/popper.min.js"></script> <script src="//cdn.staticfile.net/twitter-bootstrap/4.0.0/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>Typography</h2> <p>Use the .small class to make the text smaller:</p> <p class="small">This paragraph is smaller.</p> <p>This is a regular paragraph.</p> </div> </body> </html>
运行结果