floating button without srcoll

Hola, I’m testing Gtranslate on the following website:
https://www.morenolaurentgroup.com.ar/morenolaurentgroup/
Before continuing I would like to know how I can do so that the flags do not work with the scroller

I need the position to be fixed and they don’t show when navigating down

The page I need help with: [log in to see the link]