i 50x50 pixels -->
      <span class="logo-mini"><b>A</b>LT</span>
      <!-- logo for regular state and mobile devices -->
      <span class="logo-lg"><b>Admin</b>LTE</span>
    </a>
    <!-- Header Navbar: style can be found in header.less -->
    <nav class="navbar navbar-static-top" role="navigation">
      <!-- Sidebar toggle button-->
      <a href="#" class="sidebar-toggle" data-toggle="offcanvas" role="button">
        <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></s