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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="container mt-3"> <h2>响应式图像</h2> <p>.img-fluid 类使图像可以很好地缩放到父元素（请调整浏览器窗口的大小来查看效果）：</p> <img src="/i/photo/tiyugongyuan.jpg" class="img-fluid" alt="Park" width="2000" height="1085"> </div> </body> </html>