Astra_LifterLMS::add_dynamic_styles()
Method: Enqueue styles
Astra_LifterLMS::before_main_content_start()
Method: Add start of wrapper
Astra_LifterLMS::before_main_content_end()
Method: Add end of wrapper
Astra_LifterLMS::add_sidebar()
Method: Display LifterLMS Course and Lesson sidebars on courses and lessons in place of the sidebar returned by this function