         
         // Set up grid - stack views that content views are added to.
         self.layoutGrid = TMBarViewLayoutGrid(with: layout.view)
+        layoutGrid.horizontalSpacing = TMBarViewDefaults.spacing
         scrollView.addSubview(layoutGrid)
         layoutGrid.translatesAutoresizingMaskIntoConstraints = false
         NSLayoutConstraint.activate([

            scrollViewContainer.showFade = newValue
        } get {
            return scrollViewContainer.showFade
        }
    }
    

        scrollView.contentInset = sanitizedContentInset
        scrollView.contentOffset.x -= sanitizedContentInset.left
        
        rootContainerTop.constant = contentInset.top
        rootContainerBottom.constant = contentInset.bottom
    }
