[gtk+/gtk-3-20] Adwaita: remove textview border

[Lapo Calamandrei <lapo src gnome org>]

commit 6e56aaffe3f2a4a30ae42bcbc3bc124c0ca369a9
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Fri May 27 11:34:47 2016 +0200

    Adwaita: remove textview border
    
    see https://bugzilla.gnome.org/show_bug.cgi?id=764203

 gtk/theme/Adwaita/_common.scss           |   28 +---------------------------
 gtk/theme/Adwaita/gtk-contained-dark.css |   18 +-----------------
 gtk/theme/Adwaita/gtk-contained.css      |   18 +-----------------
 3 files changed, 3 insertions(+), 61 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 431456b..96e22be 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -118,33 +118,7 @@ textview {
   }
 }
 
-textview border {
-  background-color: mix($bg_color, $base_color, 50%);
-  background-image: image(transparentize(black, 0.8)); // HACK: the border node just draws background so,
-  background-repeat: no-repeat;                        // using a background-image to draw the border
-
-  &:backdrop { background-color: mix($backdrop_bg_color, $backdrop_base_color, 50%); }
-
-  &.bottom {
-    background-size: 100% 1px;
-    background-position: top;
-  }
-
-  &.top {
-    background-size: 100% 1px;
-    background-position: bottom;
-  }
-
-  &.left {
-    background-size: 1px 100%;
-    background-position: right;
-  }
-
-  &.right {
-    background-size: 1px 100%;
-    background-position: left;
-  }
-}
+textview border { background-color: mix($bg_color, $base_color, 50%); }
 
 iconview { @extend .view; }
 
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 26cd2ce..2780005 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -74,23 +74,7 @@ textview text {
     border-radius: 3px; }
 
 textview border {
-  background-color: #313434;
-  background-image: image(rgba(0, 0, 0, 0.2));
-  background-repeat: no-repeat; }
-  textview border:backdrop {
-    background-color: #333636; }
-  textview border.bottom {
-    background-size: 100% 1px;
-    background-position: top; }
-  textview border.top {
-    background-size: 100% 1px;
-    background-position: bottom; }
-  textview border.left {
-    background-size: 1px 100%;
-    background-position: right; }
-  textview border.right {
-    background-size: 1px 100%;
-    background-position: left; }
+  background-color: #313434; }
 
 .rubberband,
 rubberband,
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index f148bf1..6468a7e 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -74,23 +74,7 @@ textview text {
     border-radius: 3px; }
 
 textview border {
-  background-color: #f4f4f3;
-  background-image: image(rgba(0, 0, 0, 0.2));
-  background-repeat: no-repeat; }
-  textview border:backdrop {
-    background-color: #f2f2f2; }
-  textview border.bottom {
-    background-size: 100% 1px;
-    background-position: top; }
-  textview border.top {
-    background-size: 100% 1px;
-    background-position: bottom; }
-  textview border.left {
-    background-size: 1px 100%;
-    background-position: right; }
-  textview border.right {
-    background-size: 1px 100%;
-    background-position: left; }
+  background-color: #f4f4f3; }
 
 .rubberband,
 rubberband,