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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap 示例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://www.begtut.com/lib/bootstrap/3.4.1/css/bootstrap.min.css"> <script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.5.1.min.js"></script> <script src="https://www.begtut.com/lib/bootstrap/3.4.1/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <div class="jumbotron"> <h1>我的第一个 Bootstrap 页面</h1> <p>调整此响应页面的大小以查看效果！</p> </div> <div class="row"> <div class="col-sm-4"> <h3>第1栏</h3> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit...</p> <p>Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris...</p> </div> <div class="col-sm-4"> <h3>第2栏</h3> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit...</p> <p>Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris...</p> </div> <div class="col-sm-4"> <h3>第3栏</h3> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit...</p> <p>Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris...</p> </div> </div> </div> </body> </html>