Hello,
1. Please see screenshot http://prntscr.com/i0mq6l 2. The menu you may edit in Appearance > Menus. Read more http://xstore.helpscoutdocs.com/article/27-mega-menu 3. You need to uncheck this option http://prntscr.com/i0msbm in row settings and add padding top and bottom in row settings > Design Options. 4. Appearance > Widgets > After the products.
Regards
