#menu1.active { background-image: url(/assets/images/en/topic_features/m_menu_top_on.jpg); }
#menu2.active { background-image: url(/assets/images/en/topic_features/m_menu_middle_on.jpg); }
#menu3.active { background-image: url(/assets/images/en/topic_features/m_menu_middle_on.jpg); }
#menu4.active { background-image: url(/assets/images/en/topic_features/m_menu_bottom_on.jpg); }