<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row"> <form class="form-horizontal" action='' method="POST"> <fieldset> <legend class="" > Login </legend> <div class="control-group"> <lable class="control-lable" for=Username>Username</lable> <div class="controls"> <input type="text" name="username"> </div> </div> <div class="control-group"> <lable class="control-lable" for=Password>Password</lable> <div class="controls"> <input type="text" name="Password"> </div> </div> <br> <div class="control-group"> <div class="controls"> <button class="btn btn-success">Login</button> </div> </div> </fieldset> </form> </div> </div>