Hello,
Add the next code in Theme Options > Theme custom CSS > custom CSS for desctop:
.item-design-mega-menu .nav-sublist-dropdown { left: 0 !important; margin: 0 !important; right: 0 !important; width: 100% !important; max-width: 100% !important; transform: none !important; } .item-design-mega-menu, .header-top, .header-main, .header-bottom, .header-wrapper .et_column.pos-static ~ .et_column:last-child { position: static; }
Regards
