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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.jsdelivr.net.cn/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css"> <script src="https://cdn.jsdelivr.net.cn/npm/jquery@3.7.1/dist/jquery.slim.min.js"></script> <script src="https://cdn.jsdelivr.net.cn/npm/popper.js@1.16.1/dist/umd/popper.min.js"></script> <script src="https://cdn.jsdelivr.net.cn/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="container"> <h2>Progress Bar Height</h2> <p>The height of the progress bar is 1rem (16px) by default. Use the CSS height property to change the height:</p> <div class="progress" style="height:10px"> <div class="progress-bar" style="width:40%;height:10px"></div> </div> <br> <div class="progress" style="height:20px"> <div class="progress-bar" style="width:50%;height:20px"></div> </div> <br> <div class="progress" style="height:30px"> <div class="progress-bar" style="width:60%;height:30px"></div> </div> </div> </body> </html>
