improved styling for current Navbar link higlightning
improved styling for current Navbar link higlightning

Restuta/rcn.io,Restuta/rcn.io,AlexanderKapelyukhovskiy/rcn.io,Restuta/rcn.io,AlexanderKapelyukhovskiy/rcn.io,AlexanderKapelyukhovskiy/rcn.io