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<!DOCTYPE html> <html lang="zh"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap4 响应式文本对齐 - 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> <style> .bs-example{ margin: 20px; } </style> </head> <body> <div class="bs-example"> <p class="text-sm-center">文本将在小尺寸 (sm) 视口及以上居中对齐。</p> <p class="text-md-center">文本将在中等大小 (md) 视口及以上居中对齐</p> <p class="text-lg-center">文本将在大尺寸 (lg) 视口及以上居中对齐。</p> <p class="text-xl-center">文本将在超大尺寸 (xl) 视口及以上居中对齐。</p> </div> </body> </html>