1) Go to WordPress Admin Panel -> Customizing -> Back Customizing Map style

2) Map style JSON config (see https://snazzymaps.com, http://www.mapstylr.com/showcase/ ) you can use json code to chage map style

3) In sitting Zoom map you can change zoom map

4) for change  coordinates map you need generate new you can do this in submit places page

you can watch video how do this