[gtk+] Adwaita: fix the special cased sidebar scrollbar...

[Lapo Calamandrei <lapo src gnome org>]

commit 74531123aef8705b45d7ea7520136d4ef3523b71
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Sat Oct 11 14:37:16 2014 +0200

    Adwaita: fix the special cased sidebar scrollbar...
    
    ...which I broke with the latest commit.

 gtk/resources/theme/Adwaita/_common.scss           |    2 +-
 gtk/resources/theme/Adwaita/gtk-contained-dark.css |    2 +-
 gtk/resources/theme/Adwaita/gtk-contained.css      |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gtk/resources/theme/Adwaita/_common.scss b/gtk/resources/theme/Adwaita/_common.scss
index 6e41e61..978e117 100644
--- a/gtk/resources/theme/Adwaita/_common.scss
+++ b/gtk/resources/theme/Adwaita/_common.scss
@@ -1809,7 +1809,7 @@ column-header.button.dnd { // for treeview-like derive widgets
 
 .scrollbars-junction,
 .scrollbars-junction.frame { // the small square between two scrollbars
-  border: none;
+  border-color: transparent;
   background-color: darken($bg_color, 5%);
   &:backdrop { background-color: transparent; }
 }
diff --git a/gtk/resources/theme/Adwaita/gtk-contained-dark.css 
b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
index a2591d5..b2fbfc8 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
@@ -2468,7 +2468,7 @@ GtkCalendar.header column-header .button.titlebutton, column-header .button:hove
 .scrollbars-junction, .scrollbar.trough,
 .scrollbars-junction.frame,
 .frame.scrollbar.trough {
-  border: none;
+  border-color: transparent;
   background-color: #2d3232; }
   .scrollbars-junction:backdrop, .scrollbar.trough:backdrop,
   .scrollbars-junction.frame:backdrop,
diff --git a/gtk/resources/theme/Adwaita/gtk-contained.css b/gtk/resources/theme/Adwaita/gtk-contained.css
index dc73e5d..a9ef6ce 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained.css
@@ -2465,7 +2465,7 @@ GtkCalendar.header column-header .button.titlebutton, column-header .button:hove
 .scrollbars-junction, .scrollbar.trough,
 .scrollbars-junction.frame,
 .frame.scrollbar.trough {
-  border: none;
+  border-color: transparent;
   background-color: #e0e0e0; }
   .scrollbars-junction:backdrop, .scrollbar.trough:backdrop,
   .scrollbars-junction.frame:backdrop,