My menu in the backoffice you see as well as I would like it (as first picture linked above) .. but in frontoffice you see so (as second picture linked above) .. why? I wish the menu burger also saw in desktop mode .. How can I do?

BackOffice menu: https://www.dropbox.com/s/f7yey02qq7p5knf/burger-menu.jpg?dl=0
My menu: https://www.dropbox.com/s/8ywrub1er1q7isr/stock-photo-woman-with-futuristic-hairdo-438572191.jpg?dl=0

I’m sorry for my bad english.. I hope that I explained well…

Thanks a lot
Vanessa