<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 ----------> <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 ----------> <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.5.0/css/all.css"> <div class="container"> <div class="card card-login mx-auto text-center bg-dark"> <div class="card-header mx-auto bg-dark"> <span> <img src="https://amar.vote/assets/img/amarVotebd.png" class="" alt=""> </span><br/> <span class="logo_title mt-5"> Login zeroblox </span> <!-- <h1>--><?php //echo $message?><!--</h1>--> </div> <div class="card-body"> <form action="" method="post"> <div class="input-group form-group"> <div class="input-group-prepend"> <span class="input-group-text"><i class="fas fa-user"></i></span> </div> <input type="text" name="email" class="form-control" placeholder="Username"> </div> <div class="input-group form-group"> <div class="input-group-prepend"> <span class="input-group-text"><i class="fas fa-key"></i></span> </div> <input type="password" name="password" class="form-control" placeholder="Password"> </div> <div class="form-group"> <input type="submit" name="btn" value="Login" class="btn btn-outline-danger float-right login_btn"> </div> </form> </div> </div> </div>