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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="container mt-3"> <h2>上下文徽章</h2> <span class="badge bg-primary">主要</span> <span class="badge bg-secondary">次要</span> <span class="badge bg-success">成功</span> <span class="badge bg-danger">危险</span> <span class="badge bg-warning">警告</span> <span class="badge bg-info">信息</span> <span class="badge bg-light">浅色</span> <span class="badge bg-dark">深色</span> </div> </body> </html>