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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap 4 Form Sizing Height of Custom Select Element</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css" crossorigin="anonymous"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"> <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.min.js" crossorigin="anonymous"></script> <style> body{ padding:15px; } </style> </head> <body> <div class="container"> <form> <select class="custom-select" size="3"> <option selected>Choose your option</option> <option value="1">One</option> <option value="2">Two</option> <option value="3">Three</option> <option value="4">fore</option> </select> </form> </div> </body> </html>
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