[gtk+] HC: no border for insensitive backdrop buttons

[Jakub Steiner <jimmac src gnome org>]

commit 6675b9639cc790b8a15343322bda526646bd5cfc
Author: Jakub Steiner <jimmac gmail com>
Date:   Mon Mar 16 12:37:54 2015 +0100

    HC: no border for insensitive backdrop buttons
    
    https://bugzilla.gnome.org/show_bug.cgi?id=746192

 gtk/theme/HighContrast/_common.scss |    3 ++-
 gtk/theme/HighContrast/gtk.css      |    5 +++--
 2 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/gtk/theme/HighContrast/_common.scss b/gtk/theme/HighContrast/_common.scss
index 44af601..85ad778 100644
--- a/gtk/theme/HighContrast/_common.scss
+++ b/gtk/theme/HighContrast/_common.scss
@@ -374,8 +374,9 @@ $_dot_color: $selected_bg_color;
     &:active, &.flat:active {
       @include button(insensitive-active);
     }
+
   }
-  &.flat, &.flat:backdrop {
+  &.flat, &.flat:backdrop, &.flat:insensitive:backdrop {
     @extend %undecorated_button;
   }
   //overlay / OSD style
diff --git a/gtk/theme/HighContrast/gtk.css b/gtk/theme/HighContrast/gtk.css
index 0f267bf..772581a 100644
--- a/gtk/theme/HighContrast/gtk.css
+++ b/gtk/theme/HighContrast/gtk.css
@@ -730,7 +730,7 @@
   border-radius: 3px;
   border-style: solid; }
 
-.button.flat, .button.flat:backdrop, .menuitem.button.flat, .menuitem.button.flat:backdrop, 
.menuitem.button.flat:backdrop:hover, .button:link, .button:visited, .button:link:hover, .button:link:active, 
.button:visited:hover, .button:visited:active, .button:link:backdrop, .button:visited:backdrop, .notebook tab 
.button, .list-row.button, .list-row.button:backdrop:hover, GtkCalendar.button, GtkCalendar.button:hover, 
GtkCalendar.button:backdrop, GtkCalendar.button:backdrop:hover {
+.button.flat, .button.flat:backdrop, .button.flat:insensitive:backdrop, .menuitem.button.flat, 
.menuitem.button.flat:backdrop, .menuitem.button.flat:backdrop:hover, .button:link, .button:visited, 
.button:link:hover, .button:link:active, .button:visited:hover, .button:visited:active, 
.button:link:backdrop, .button:visited:backdrop, .notebook tab .button, .list-row.button, 
.list-row.button:backdrop:hover, GtkCalendar.button, GtkCalendar.button:hover, GtkCalendar.button:backdrop, 
GtkCalendar.button:backdrop:hover {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -780,7 +780,8 @@ GtkColorButton.button {
    *     border-radius: 0;
    *     box-shadow: none;
    *   }
-   * } */ }
+   * }
+   */ }
   .spinbutton .button {
     background-image: none;
     border-width: 0 0 0 1px;