b_tema_rd

$(".dropbox").hide();
$( ".nav_list_item" ).mouseover(function() {
    $( this ).children( ".dropbox" ).addClass('active_dropbox');
  });
$( ".nav_list_item" ).mouseout(function() {
   $( this ).children( ".active_dropbox" ).removeClass('active_dropbox');
  });

.page_heading{
   font-size: 40px;
 }