double menu?

Bonjour,
1/ I’ve installed Responsive select menu and it works fine with iphone (ther is just a double window appearing : 1 for naigate, 1 with the current selected item)
Is it possible to keppe jus the navigation ?

2/ The theme menu is still present above (theme Enfold) and I would like to use only your menu

Many thanks for your answer

url of my site : https://www.offtheroad.fr

https://www.ads-software.com/plugins/responsive-select-menu/