[gnome-flashback] shell: fix GfLabelWindow style

[Alberts Muktupāvels <muktupavels src gnome org>]

commit bc2cd0178843338fdf002499c64b55b6f3e747d2
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Tue Jan 19 14:30:35 2016 +0200

    shell: fix GfLabelWindow style

 data/theme/Adwaita/gnome-flashback-dark.css |    4 ++++
 data/theme/Adwaita/gnome-flashback.css      |    4 ++++
 data/theme/HighContrast/gnome-flashback.css |    4 ++++
 gnome-flashback/Adwaita.css                 |    5 -----
 gnome-flashback/HighContrast.css            |    5 -----
 gnome-flashback/libshell/gf-label-window.c  |    2 ++
 6 files changed, 14 insertions(+), 10 deletions(-)
---
diff --git a/data/theme/Adwaita/gnome-flashback-dark.css b/data/theme/Adwaita/gnome-flashback-dark.css
index b2b3762..714ac92 100644
--- a/data/theme/Adwaita/gnome-flashback-dark.css
+++ b/data/theme/Adwaita/gnome-flashback-dark.css
@@ -10,3 +10,7 @@ gf-popup-window.solid {
   border: 1px solid #1f2222;
   border-radius: 0px;
 }
+
+#gf-label-window {
+  font-size: 40px;
+}
diff --git a/data/theme/Adwaita/gnome-flashback.css b/data/theme/Adwaita/gnome-flashback.css
index aca1775..3a40df1 100644
--- a/data/theme/Adwaita/gnome-flashback.css
+++ b/data/theme/Adwaita/gnome-flashback.css
@@ -10,3 +10,7 @@ gf-popup-window.solid {
   border: 1px solid #a5a5a1;
   border-radius: 0px;
 }
+
+#gf-label-window {
+  font-size: 40px;
+}
diff --git a/data/theme/HighContrast/gnome-flashback.css b/data/theme/HighContrast/gnome-flashback.css
index 82f41bd..4cfa089 100644
--- a/data/theme/HighContrast/gnome-flashback.css
+++ b/data/theme/HighContrast/gnome-flashback.css
@@ -10,3 +10,7 @@ gf-popup-window.solid {
   border: 1px solid #8d8d8d;
   border-radius: 0px;
 }
+
+#gf-label-window {
+  font-size: 40px;
+}
diff --git a/gnome-flashback/Adwaita.css b/gnome-flashback/Adwaita.css
index 2b4b807..6c63a6e 100644
--- a/gnome-flashback/Adwaita.css
+++ b/gnome-flashback/Adwaita.css
@@ -7,8 +7,3 @@ GfInputSourcePopup #input-source:selected
 {
   border-radius: 10px;
 }
-
-FlashbackLabelWindow
-{
-  font-size: 40px;
-}
diff --git a/gnome-flashback/HighContrast.css b/gnome-flashback/HighContrast.css
index 2b4b807..6c63a6e 100644
--- a/gnome-flashback/HighContrast.css
+++ b/gnome-flashback/HighContrast.css
@@ -7,8 +7,3 @@ GfInputSourcePopup #input-source:selected
 {
   border-radius: 10px;
 }
-
-FlashbackLabelWindow
-{
-  font-size: 40px;
-}
diff --git a/gnome-flashback/libshell/gf-label-window.c b/gnome-flashback/libshell/gf-label-window.c
index 6b81527..0612643 100644
--- a/gnome-flashback/libshell/gf-label-window.c
+++ b/gnome-flashback/libshell/gf-label-window.c
@@ -81,6 +81,8 @@ gf_label_window_init (GfLabelWindow *window)
 
   g_signal_connect (window, "fade-finished",
                     G_CALLBACK (fade_finished_cb), NULL);
+
+  gtk_widget_set_name (GTK_WIDGET (window), "gf-label-window");
 }
 
 GfLabelWindow *