--- a/styles/macosx_yosemite.style	Tue Oct 06 17:20:40 2015 +0200
+++ b/styles/macosx_yosemite.style	Tue Oct 06 17:20:44 2015 +0200
@@ -130,6 +130,7 @@
 arrowButton.disabledRightForm       [ToolbarIconLibrary scrollRightDisabledIcon]
 
 scroller.viewBackground             (Color rgbValue:16rfafafa) "/ Color white
+scrollBar.hideIfPointerOutside      true
 
 arrowButton.backgroundColor         =scroller.viewBackground
 arrowButton.activeBackgroundColor   =scroller.viewBackground