Prevent FOUC (flash of unstyled content)

no-fouc.html

<!-- @see http://johnpolacek.com/2012/10/03/help-prevent-fouc -->
<!-- WordPress implementation -->
<!-- Add to header -->
<style type="text/css">
  .no-fouc {display: none;}
</style>
<script>
  document.documentElement.className = 'no-fouc';
</script>

<!-- Add to footer -->
<script>
  jQuery(document).ready(function( $ ) {
    $('.no-fouc').removeClass('no-fouc');	
  });
</script>