<!DOCTYPE html>
<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>Radio buttons</h2>
<p>The form below contains three radio buttons. The first option is checked by default, and the last option is disabled:</p>
<form action="/action_page.php">
<div class="form-check">
<input type="radio" class="form-check-input" id="radio1" name="optradio" value="option1" checked>
<label class="form-check-label" for="radio1">Option 1</label>
</div>
<div class="form-check">
<input type="radio" class="form-check-input" id="radio2" name="optradio" value="option2">
<label class="form-check-label" for="radio2">Option 2</label>
</div>
<div class="form-check">
<input type="radio" class="form-check-input" disabled>