slicknav cdn
<link rel="https://cdnjs.cloudflare.com/ajax/libs/SlickNav/1.0.10/slicknav.min.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/SlickNav/1.0.10/jquery.slicknav.min.js"></script>
// initialize
<script>
$(function(){
$('#menu').slicknav();
});
</script>
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