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<html lang="en"><head> <title>Bootstrap Example</title> <meta charset="utf-8"> <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>Disabled and Readonly</h2> <p>Use the disabled and/or readonly attributes to disable the input field:</p> <form> <input type="text" class="form-control" placeholder="Normal input"> <input type="text" class="form-control mt-3" placeholder="Disabled input" disabled> <input type="text" class="form-control mt-3" placeholder="Readonly input" readonly> </form></div></body></html>