Show Output
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap 4 Grid Sizing of Form Controls</title> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css"> <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js"></script> <style> .bs-example{ margin: 20px; } </style> </head> <body> <div class="bs-example"> <form> <div class="form-row"> <div class="form-group col-sm-6"> <label for="inputCity">City</label> <input type="text" class="form-control" id="inputCity"> </div> <div class="form-group col-sm-4"> <label for="inputState">State</label> <select id="inputState" class="form-control"> <option>Select</option> </select> </div> <div class="form-group col-sm-2"> <label for="inputZip">Zip</label> <input type="text" class="form-control" id="inputZip"> </div> </div> </form> </div> </body> </html>