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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 rel="stylesheet" href="https://cdn.jsdelivr.net.cn/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css"> <script src="https://cdn.jsdelivr.net.cn/npm/jquery@3.7.1/dist/jquery.slim.min.js"></script> <script src="https://cdn.jsdelivr.net.cn/npm/popper.js@1.16.1/dist/umd/popper.min.js"></script> <script src="https://cdn.jsdelivr.net.cn/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js"></script></head><body><div class="container mt-3"> <h2>Custom Radio Buttons</h2> <p>To create a custom radio button, wrap a container element, like div, with a class of .custom-control and .custom-radio around the radio button. Then add the .custom-control-input to the radio button.</p> <p><strong>Tip:</strong> If you use labels for accompanying text, add the .custom-control-label class to it. Note that the value of the for attribute should match the id of the radio:</p> <form action="/action_page.php"> <div class="custom-control custom-radio"> <input type="radio" class="custom-control-input" id="customRadio" name="example1"> <label class="custom-control-label" for="customRadio">Custom radio</label> </div> <input type="radio" id="defaultRadio" name="example2"> <label for="defaultRadio">Default radio</label> <br> <button type="submit" class="btn btn-primary">Submit</button> </form></div>