      <div class="col-12 col-lg-2 p-0 bg-light border-right" id="side_menu">

      	<button type="button" class="btn btn-outline-secondary mt-1 ml-3" onclick="toggle_sidebar()">
          <i class="fas fa-align-left"></i>
      	  <span>Toggle Sidebar</span>
      	</button>

      	<nav class="navbar navbar-expand navbar-light bg-light flex-md-column flex-row align-items-start py-2" id="nav_menu">
      		<h5 class="d-flex text-muted w-100">
      		  <span>Diagnostic</span>
      		</h5>
      	</nav>
      </div>
