源代码：
下载代码
AI 编程工具
点击运行
<!DOCTYPE html> <html> <head> <title>Bootstrap5 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="container mt-3"> <h1>Margin Top 与 Bottom 工具</h1> <p>Margin Y 工具:</p> <div class="my-0 bg-warning">Margin Y 0</div> <div class="my-1 bg-warning">Margin Y 1</div> <div class="my-2 bg-warning">Margin Y 2</div> <div class="my-3 bg-warning">Margin Y 3</div> <div class="my-4 bg-warning">Margin Y 4</div> <div class="my-5 bg-warning">Margin Y 5</div> <div class="my-auto bg-warning">Margin Y Auto</div> <br> <p>响应式 margin y 工具，重置浏览器大小查看效果。</p> <div class="my-sm-5 bg-warning">Margin Y 5 on SM screens</div> <div class="my-md-5 bg-warning">Margin Y 5 on MD screens</div> <div class="my-lg-5 bg-warning">Margin Y 5 on LG screens</div> <div class="my-xl-5 bg-warning">Margin Y 5 on XL screens</div> </div> </body> </html>
运行结果：
AI 编程工具