nav ul li:hover ul ul,nav ul li:hover ul ul ul,nav ul li:hover ul ul ul ul{display:none}nav ul li:hover ul,nav ul li li:hover ul,nav ul li li li:hover ul,nav ul li li li li:hover ul{display:block}.pk_zoom_icon:hover .pk_image_button_overlay,.pk_play_icon:hover .pk_image_button_overlay,.pk_page_icon:hover .pk_image_button_overlay,.pk_link_icon:hover .pk_image_button_overlay{display:block}.pk_categories_filter .pk_dropdown_categories:hover .pk_categories_list{display:block}