[gnome-themes-standard] make mult-linked buttons work

[Jakub Steiner <jimmac src gnome org>]

commit e1e7330baae02a57d31830c3ebc1660c30e0e9fa
Author: Jakub Steiner <jimmac gmail com>
Date:   Wed May 14 16:47:01 2014 +0200

    make mult-linked buttons work

 themes/Adwaita/gtk-3.0/_common.scss |   15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/_common.scss b/themes/Adwaita/gtk-3.0/_common.scss
index c917ac4..0c8f4f7 100644
--- a/themes/Adwaita/gtk-3.0/_common.scss
+++ b/themes/Adwaita/gtk-3.0/_common.scss
@@ -255,14 +255,19 @@ GtkGrid:insensitive {
 .linked .button {
   @extend .button;
   padding: 6px;
+  border-radius: 0;
+  border-right-width: 0;
   &:first-child {
-    border-top-right-radius: 0;
-    border-bottom-right-radius: 0;
-    border-right-width: 0;
+    border-radius: 3px 0 0 3px;
+    border-width: 1px 0 1px 1px;
   }
   &:last-child {
-    border-top-left-radius: 0;
-    border-bottom-left-radius: 0;
+    border-radius: 0 3px 3px 0;
+    border-width: 1px;
+  }
+  &:only-child {
+    border-radius: 3px;
+    border-width: 1px;
   }
 }