<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 p-5"> <div class="row"> <div class="col-10 col-md-8 col-lg-6 mx-auto"> <div class="card"> <div class="card-header"> <h5>Login Box</h5> </div> <div class="card-body"> <form> <div class="form-group"> <label for="exampleInputEmail1">Email address</label> <input type="email" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp" placeholder="Enter email or username"> <small id="emailHelp" class="form-text text-muted text-right"><a class="text-danger" href="#">help?</a></small> </div> <div class="form-group"> <label for="exampleInputPassword1">Password</label> <input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password"> <small id="passHelp" class="form-text text-muted text-right text-warning"><a class="text-warning" href="#">reset?</a></small> </div> <button type="submit" class="btn btn-secondary btn-block">Login</button> </form> </div> </div> </div> </div> </div>