<aside class="main-sidebar">
  <!-- sidebar: style can be found in sidebar.less -->
  <section class="sidebar">
    <!-- Sidebar user panel -->  
  
    <!-- sidebar menu: : style can be found in sidebar.less -->
    <ul class="sidebar-menu">
      <li class="header">MAIN NAVIGATION</li>	  
      <li><a href="<?php echo site_url()."teacher/index"; ?>"><i class="fa fa-home"></i> <span>Home</span></a></li>
      <li><a href="<?php echo site_url()."teacher/account"; ?>"><i class="fa fa-archive"></i> <span>Create Account</span></a></li>
      <li><a href="<?php echo site_url()."teacher/packages"; ?>"><i class="fa fa-cube"></i><span>Manage Package</span></a></li>
      <li><a href="<?php echo site_url()."home/logout"; ?>"><i class="fa fa-arrow-circle-left"></i> <span>Log out</span></a></li>
      
    </ul>
  </section>
  <!-- /.sidebar -->
</aside>