athena.fb-infra.uk/page-blocks/nav-menu.php

<?php
echo '<div class="nav-bar">';
echo '<div id="menu-hidden">';
echo '<a href="/">Home</a>';
echo '<a class="nav-bar-hidden" href="/issue.php">Report Issue</a>';
echo '<a class="nav-bar-hidden" href="/help.php">Help</a>';
echo '</div>';
echo '<a href="javascript:void(0);" class="menu-icon" onclick="menuFunction()">';
echo '<img src="/assets/icons/menu.png"></img>';
echo '</div>';