flask_before_the_page
flask_before_the_header
flask_in_the_header_before_the_inner
flask_in_the_header
flask_after_the_header
flask_top_of_the_content
flask_top_of_the_primary

flask_bottom_of_the_content
flask_above_the_footer
flask_in_the_footer
flask_after_the_footer
flask_after_the_page