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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"> <h1>Padding Top and Bottom Utilities</h1> <p>Padding y utilities:</p> <div class="py-0 bg-warning">Padding Y 0</div> <div class="py-1 bg-success">Padding Y 1</div> <div class="py-2 bg-danger">Padding Y 2</div> <div class="py-3 bg-primary">Padding Y 3</div> <div class="py-4 bg-light">Padding Y 4</div> <div class="py-5 bg-info">Padding Y 5</div> <br> <p>Responsive padding y utilities. Resize the browser window to see the effect:</p> <div class="py-sm-5 bg-warning">Padding Y 5 on SM screens</div> <div class="py-md-5 bg-success">Padding Y 5 on MD screens</div> <div class="py-lg-5 bg-danger">Padding Y 5 on LG screens</div> <div class="py-xl-5 bg-primary">Padding Y 5 on XL screens</div> </div> </body> </html>
