styles should not persist in stack

lib/ios/RNNBottomTabsOptions.m

 	
 	if (self.visible) {
 		[((RNNTabBarController *)viewController.tabBarController) setTabBarHidden:![self.visible boolValue] animated:[self.animate boolValue]];
+	} else {
+		[((RNNTabBarController *)viewController.tabBarController) setTabBarHidden:NO animated:NO];
 	}
 	
 	if (self.testID) {
 	
 	if (self.backgroundColor) {
 		viewController.tabBarController.tabBar.barTintColor = [RCTConvert UIColor:self.backgroundColor];
+	} else {
+		viewController.tabBarController.tabBar.barTintColor = nil;
 	}
 	
 	if (self.translucent) {
 		viewController.tabBarController.tabBar.translucent = [self.translucent boolValue];
+	} else {
+		viewController.tabBarController.tabBar.translucent = YES;
 	}
 	
 	if (self.hideShadow) {

lib/ios/RNNNavigationOptions.m

 	}
 }
 
--(void)applyOn:(UIViewController*)viewController {
-//	[_defaultOptions applyOn:viewController];
-	
+-(void)applyOn:(UIViewController*)viewController {	
 	[self.topBar applyOn:viewController];
 	[self.bottomTabs applyOn:viewController];
 	[self.topTab applyOn:viewController];

lib/ios/RNNTopBarOptions.m

 - (instancetype)initWithDict:(NSDictionary *)dict {
 	self = [super initWithDict:dict];
 	self.title = [RNNTitleOptions new];
+
 	return self;
 }
 
 		}
 	}
 	
-	
-	
-	
-	
 	if (self.visible) {
 		[viewController.navigationController setNavigationBarHidden:![self.visible boolValue] animated:[self.animate boolValue]];
+	} else {
+		[viewController.navigationController setNavigationBarHidden:NO animated:NO];
 	}
 	
 	if (self.hideOnScroll) {
 		viewController.navigationController.hidesBarsOnSwipe = [self.hideOnScroll boolValue];
+	} else {
+		viewController.navigationController.hidesBarsOnSwipe = NO;
 	}
 	
 	if (self.buttonColor) {
 	
 	if (self.translucent) {
 		viewController.navigationController.navigationBar.translucent = [self.translucent boolValue];
+	} else {
+		viewController.navigationController.navigationBar.translucent = YES;
 	}
 	
 	if (self.drawBehind) {
 		} else {
 			viewController.edgesForExtendedLayout &= ~UIRectEdgeTop;
 		}
+	} else {
+		viewController.edgesForExtendedLayout = UIRectEdgeAll;
 	}
 	
 	if (self.noBorder) {