=== modified file 'src/gui/StelGuiItems.cpp'
--- src/gui/StelGuiItems.cpp	2013-07-12 16:08:09 +0000
+++ src/gui/StelGuiItems.cpp	2013-07-27 12:48:10 +0000
@@ -21,6 +21,7 @@
 #include "StelCore.hpp"
 #include "StelProjector.hpp"
 
+#include "StelGui.hpp"
 #include "StelGuiItems.hpp"
 #include "StelLocaleMgr.hpp"
 #include "StelLocation.hpp"
@@ -241,9 +242,15 @@
 }
 
 void StelButton::setBackgroundPixmap(const QPixmap &newBackground)
-{
-	pixBackground = newBackground;
-	pixBackgroundRed = makeRed(newBackground);
+{	
+	QSettings* confSettings = StelApp::getInstance().getSettings();
+	// Checks flag gui/flag_show_groups_buttons_background for visible of background of groups of buttons on bottom bar.
+	// Details: https://bugs.launchpad.net/stellarium/+bug/1204639
+	if (confSettings->value("gui/flag_show_groups_buttons_background", true).toBool())
+	{
+		pixBackground = newBackground;
+		pixBackgroundRed = makeRed(newBackground);
+	}
 	updateIcon();
 }