       return
     }
 
+    window.titlebarAppearsTransparent = true
+
     self.root.removeFromSuperview()
 
-    self.set(repUrl: window.representedURL, themed: true)
+    self.set(repUrl: window.representedURL, themed: true, grow: grow)
 
     window.contentView?.addSubview(self.root)
     self.root.autoPinEdge(toSuperviewEdge: .top, withInset: 22)


    window.titleVisibility = .hidden
    window.styleMask.insert(.fullSizeContentView)

    let title = NSTextField(labelWithString: window.title)
    title.configureForAutoLayout()

  fileprivate var repIcon: NSButton?
  fileprivate var titleView: NSTextField?

  fileprivate func themeTitlebar(grow: Bool) {
    guard let window = self.window else {
      return
    }
