Nav.php

<nav class="navbar navbar-inverse">
  <div class="container-fluid">
    <div class="navbar-header">
      <a href="kito_store.php" class="navbar-brand" href="#">KITO STORE</a>
    </div>
    <ul class="nav navbar-nav">
      <li class="active"><a href="Canteen.php">Home</a></li>
      <li class="dropdown"><a class="dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" href="#">Masters<span class="caret"></span></a>
        <ul class="dropdown-menu">
			<li><a href="menu_master.php">Menu Master</a></li>
			<li><a href="employee_master.php">Employee Master</a></li>
			<li><a href="item_master.php?mode=new">Item Master</a></li>
			<li><a href="item_form_master.php">Item Form Master</a></li>
			<li><a href="pack_description.php">Pack Description</a></li>
			<li><a href="category_master.php">Category Master</a></li>
			<li><a href="sub_category_master.php">Sub Category Master</a></li>
			<li><a href="tax_type_master.php">Tax Type Master</a></li>
        </ul>
      </li>
      <li><a href="#">Page 2</a></li>
      <li><a class="align-right" href="sign_up.php">Sign-Up</a></li>
    </ul>
  </div>
</nav>