diff --git a/src/gui/gtk-lumiera.css b/src/gui/gtk-lumiera.css
index 20ffe9a52..6e22479ca 100644
--- a/src/gui/gtk-lumiera.css
+++ b/src/gui/gtk-lumiera.css
@@ -35,13 +35,12 @@
 
 
   * {
-    engine: adwaita;
-    
     border-width: 1px;
     border-style: outset;
     border-color: shade(@bg_color, 0.80);
     
-    color: inherit; /* by default inherit content colour from parent widget */
+    color:            inherit; /* by default inherit content colour from parent widget */
+    background-color: inherit;
 }
 
 GtkWindow {
diff --git a/src/gui/workspace/ui-style.cpp b/src/gui/workspace/ui-style.cpp
index 2315866b1..065c2215b 100644
--- a/src/gui/workspace/ui-style.cpp
+++ b/src/gui/workspace/ui-style.cpp
@@ -96,7 +96,7 @@ namespace workspace {
       }
     
     Gtk::StyleContext::add_provider_for_screen (screen, css_provider,
-                                                GTK_STYLE_PROVIDER_PRIORITY_USER);
+                                                GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
   }