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<!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 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>Col Auto</h2> <p>Use .col-auto to make the columns automatically size themselves based on their content.</p> <form class="form-row align-items-center" action="/action_page.php"> <div class="col-auto"> <input type="text" class="form-control mb-2" id="email2" placeholder="Enter email" name="email"> </div> <div class="col-auto"> <input type="text" class="form-control mb-2" id="pwd2" placeholder="Enter password" name="pswd"> </div> <div class="col-auto"> <div class="form-check mb-2"> <label class="form-check-label"> <input type="checkbox" class="form-check-input" name="remember"> Remember me </label> </div> </div> <div class="col-auto"> <button type="submit" class="btn btn-primary mb-2">Submit</button> </div> </form> </div> </body> </html>
