 <!-- Navbar -->
 <nav class="main-header navbar navbar-expand navbar-white navbar-light">
     <!-- Left navbar links -->
     <ul class="navbar-nav">
         <li class="nav-item">
             <a class="nav-link" data-widget="pushmenu" href="#" role="button"><i class="fas fa-bars"></i></a>
         </li>

     </ul>

     <!-- Right navbar links -->
     <ul class="navbar-nav ml-auto">
         <!-- Navbar Search -->
         <li class="nav-item">
             <a href="logout.php" class="nav-link" style="font-weight:bold; color:black"><i class="fa fa-sign-out"
                     aria-hidden="true"></i> Logout</a>

         </li>

     </ul>
 </nav>
 <!-- /.navbar -->