diff --git a/gtk-3.0/apps/gnome-applications.css b/gtk-3.0/apps/gnome-applications.css
index f8b4589..1870284 100644
--- a/gtk-3.0/apps/gnome-applications.css
+++ b/gtk-3.0/apps/gnome-applications.css
@@ -253,9 +253,30 @@ GeditFloatingSlider .not-found {
     color: @error_fg_color;
 }
 
-/***********************
+/************************
  * gnome control center *
- ***********************/
+ ************************/
 CcShellItemView.view {
     background-color: @theme_bg_color;
-}
\ No newline at end of file
+}
+
+/***************
+ * font-viewer *
+ ***************/
+SushiFontWidget {
+    padding: 6px 12px;
+}
+
+/*************
+ * gucharmap *
+ *************/
+GucharmapChartable {
+    background-color: @theme_base_color;
+}
+
+GucharmapChartable:active,
+GucharmapChartable:focus,
+GucharmapChartable:selected {
+    background-color: @theme_selected_bg_color;
+    color: @theme_selected_fg_color;
+}
diff --git a/gtk-3.0/gtk-widgets.css b/gtk-3.0/gtk-widgets.css
index 31e2975..afda929 100644
--- a/gtk-3.0/gtk-widgets.css
+++ b/gtk-3.0/gtk-widgets.css
@@ -378,20 +378,6 @@ GtkDrawingArea:insensitive {
     background-color: shade(@theme_bg_color, 0.9);
 }
 
-/************
-* gucharmap *
-*************/
-GucharmapChartable {
-    background-color: @theme_base_color;
-}
-
-GucharmapChartable:active,
-GucharmapChartable:focus,
-GucharmapChartable:selected {
-    background-color: @theme_selected_bg_color;
-    color: @theme_selected_fg_color;
-}
-
 /***********
  * gtkhtml *
  ***********/
diff --git a/gtk-3.0/gtk.css b/gtk-3.0/gtk.css
index 76461f9..bfdfb7e 100644
--- a/gtk-3.0/gtk.css
+++ b/gtk-3.0/gtk.css
@@ -33,6 +33,7 @@
 @define-color error_bg_color rgb (237, 54, 54);
 @define-color link_color #fc6f5d;
 @define-color success_color #53a93f;
+@define-color warning_color #f57900;
 @define-color error_color #cc0000;
 
 /* widget colors */