Reporting Period
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#### Header Template HTML - Warning

    <!-- Navbar Wrapper - Fixed Version -->
    <header class="navbar bg-warning navbar-fixed-top">

        <!-- Navbar Branding. Take note of the ".dark" after ".bg-warning" -->
        <div class="navbar-branding bg-warning dark"> ... </div>

    </header><!-- End Navbar Wrapper -->

Note: This HTML only shows what bg classes are required. More HTML is required to create menus. See this example for a full header html template