[gimp/alxsa-light-theme-edit] themes: Define inactive notebook arrows style

[Alx Sa <sawyeralex src gnome org>]

commit 47d14192426b8b558678eb7996bb7592b41e9f65
Author: Alx Sa <cmyk student gmail com>
Date:   Sun Sep 25 12:29:02 2022 +0000

    themes: Define inactive notebook arrows style
    
    This style is applied when the first or last tab is selected,
    and the notebook arrow is in a disabled state.

 themes/Default/common.css | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/themes/Default/common.css b/themes/Default/common.css
index eb938ccc79..9905f5463d 100644
--- a/themes/Default/common.css
+++ b/themes/Default/common.css
@@ -118,6 +118,16 @@ notebook header tabs tab:hover {
   background-color: @hover-color;
 }
 
+/* The disabled notebook selection arrows,
+ * when the first or last tab is selected
+ */
+notebook header tabs arrow:disabled, 
+notebook header tabs arrow:hover
+{
+  background-color: @strong-border-color;
+  background-image: none;
+}
+
 /* The background of many dialogs, e.g. Preferences and gimpcolordialog */
 .vertical {
   color: @fg-color;