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<html><head> <title>Bootstrap Example</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script></head><body><div class="container mt-3"> <h2>Spinners</h2> <p>To create a spinner/loader, use the <code>.spinner-border</code> class:</p> <div class="spinner-border"></div></div></body></html>