In case the browser doesn't support fullscreen, disabled button and change tooltip
Update css and translation of the new tooltip mesage
<footer id="footer">
<div>© <?php echo date("Y"); ?> IRI </div>
</footer>
<script src="static/lib/jquery.js"></script>
<script src="static/lib/foundation/js/foundation.min.js"></script>
<script>
$(document).foundation();
</script>
</body>
</html>