HTML CSS examples for Bootstrap:Button Group
For <button> elements, you must wrap each button in a .btn-group class:
<!DOCTYPE html> <html> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> </head><!-- ww w.j ava2 s . com--> <body> <div class="container"> <h2>Justified Button Groups</h2> <div class="btn-group btn-group-justified"> <div class="btn-group"> <button type="button" class="btn btn-primary">A</button> </div> <div class="btn-group"> <button type="button" class="btn btn-primary">B</button> </div> <div class="btn-group"> <button type="button" class="btn btn-primary">C</button> </div> </div> </div> </body> </html>