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1. You have to click save button everytime you change the border thickness for it to show.
2. No-go zones are a bitch, I think you have to again save as a country (then change label to 0) for them to work, not sure on this one maybe someone experienced with them like Tik-Tok can help you. Ask someone from this clan, I am sure they will have the answers for you.
http://atwar-game.com/cln/cln.php?cln_id=187