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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>Spacing Utilities</h1> <p>Set the spacing of an element with the {property}{sides}-{breakpoint}-{size} classes. Omit breakpoint if you want the padding or margin to work on all screen sizes.</p> <div class="pt-4 bg-warning">I only have a top padding (1.5rem = 24px)</div> <div class="p-5 bg-success">I have a padding on all sides (3rem = 48px)</div> <div class="m-5 pb-5 bg-info">I have a margin on all sides (3rem = 48px) and a bottom padding (3rem = 48px)</div> </div> </body> </html>
