[[UINavigationBar appearance] setBarTintColor:[UIColor midnightBlueColor]];
NSShadow *shadow = [[NSShadow alloc] init];
shadow.shadowColor = [UIColor colorWithRed:0.0 green:0.0 blue:0.0 alpha:0.8];
shadow.shadowOffset = CGSizeMake(0, 1);
[[UINavigationBar appearance] setTitleTextAttributes: [NSDictionary dictionaryWithObjectsAndKeys:
[UIColor colorWithRed:255.0/255.0 green:255.0/255.0 blue:255.0/255.0 alpha:1.0], NSForegroundColorAttributeName,
shadow, NSShadowAttributeName,
[UIFont fontWithName:@"FontAwesome" size:21.0], NSFontAttributeName, nil]];
// self.navigationController.navigationBar.barTintColor = [UIColor blueColor];
//[self.navigationController.navigationBar setBarStyle:UIBarStyleBlackTranslucent];
[[UINavigationBar appearance] setTintColor:[UIColor whiteColor]];