<link href="//netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.1.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container" style="margin-top:30px"> <div class="col-md-4 col-md-offset-4"> <div class="panel panel-default"> <div class="panel-heading"><h3 class="panel-title"><strong>Sign in </strong></h3></div> <div class="panel-body"> <form role="form"> <div class="form-group"> <label for="exampleInputEmail1">Username or Email</label> <input type="email" class="form-control" style="border-radius:0px" id="exampleInputEmail1" placeholder="Enter email"> </div> <div class="form-group"> <label for="exampleInputPassword1">Password <a href="/sessions/forgot_password">(forgot password)</a></label> <input type="password" class="form-control" style="border-radius:0px" id="exampleInputPassword1" placeholder="Password"> </div> <button type="submit" class="btn btn-sm btn-default">Sign in</button> </form> </div> </div> </div> </div>