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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap4 响应断点容器 - 迹忆客(jiyik.com)</title> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css"> <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="container-sm border py-3 my-3">100% 宽知道屏幕尺寸小于 576px</div> <div class="container-md border py-3 my-3">100% 宽知道屏幕尺寸小于 768px</div> <div class="container-lg border py-3 my-3">100% 宽知道屏幕尺寸小于 992px</div> <div class="container-xl border py-3 my-3">100% 宽知道屏幕尺寸小于 1200px</div> <p class="m-3"><strong>Note:</strong> The classes ".border", ".py-3", and ".my-3" are <a href="/twitter-bootstrap-tutorial/bootstrap-helper-classes.php" target="_top">utility classes</a> to add borders, paddings, and margins to the element, respectively.</p> <p class="m-3"><strong>Tip:</strong> Open the output in a new blank tab (Click the arrow next to "Show Output" button) and resize the browser window to understand how the Bootstrap responsive grid system works.</p> </body> </html>
