vertical centering js

vertical-centering-js

<script>
  /* get the screen size and sets each section to its height */
  $(window).on("load resize", function() {
    var width = $(window).width();
    var height = $(window).height();
    var menu = $(".nav").height();

    $('.h').css({ 'height' : ( ($(window).height() ) - menu ) }) ;}          

  });
  // Bind event listener
  $(window).resize();
</script>