Dark mode appearance tweaks

App/Titlebar and URL Bar/ToolbarView.swift

@@ -15,13 +15,7 @@ class ToolbarView: UIView
     
     let containerView = UIView(frame: .zero)
     let backgroundView = GradientView(direction: .vertical, colors: [
-        .init(dynamicProvider: { traits in
-            if traits.userInterfaceStyle == .dark  {
-                return UIColor(white: 0.15, alpha: 1.0)
-            } else {
-                return UIColor.tertiarySystemGroupedBackground
-            }
-        }),
+        .secondarySystemGroupedBackground,
         .secondarySystemGroupedBackground
     ])
     let cancelButton = UIButton(type: .system)
@@ -50,7 +44,12 @@ class ToolbarView: UIView
     
     override func sizeThatFits(_ size: CGSize) -> CGSize
     {
-        return CGSize(width: size.width, height: 42.0)
+        var height: CGFloat = 42.0
+        if traitCollection.userInterfaceIdiom == .mac {
+            height = 40.0
+        }
+        
+        return CGSize(width: size.width, height: height)
     }
     
     override func layoutSubviews()

App/Titlebar and URL Bar/ToolbarViewController.swift

@@ -88,7 +88,7 @@ class ToolbarViewController: UIViewController
         toolbarView.trailingButtonsView.removeAllButtonViews()
         
         let spacerView = { () -> SpacerView in
-            SpacerView(space: 24.0)
+            SpacerView(space: 20.0)
         }
         
         // Setup toolbar based on trait collection