[2020] Could you please remind me a mod, which is turn off white coloring from map's borders

https://steamcommunity.com/sharedfiles/filedetails/?id=553319260&searchtext=border

Ah, you mean the fog! Then I'd recommend this one:

https://steamcommunity.com/sharedfiles/filedetails/?id=523824395&searchtext=cloud+and+fog