</style>
<div id="login-form">
  <div>


  </div>
  <div >
  <h2 class="text-center">Login</h2><hr>
  <form action="login.php" method="post">
    <div class="form-group">
      <label for="username">Username:</label>
      <input type="text" name="username" id="username"
class="form-control" value="">
    </div>
    <div class="form-group">
      <label for="password">Password:</label>
      <input type="password" name="password" id="password"
class="form-control" value="">
    </div>
    <div class="form-group">
      <input type="submit" value="Login" class="btn btn-primary">