[gnome-themes-standard] notebook: add a tab close button comment

[Jakub Steiner <jimmac src gnome org>]

commit 9c0ac55cdb99a8b7decfa144178b16761fbbd20e
Author: Jakub Steiner <jimmac gmail com>
Date:   Wed May 28 14:17:47 2014 +0200

    notebook: add a tab close button comment

 themes/Adwaita/gtk-3.0/_common.scss |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/_common.scss b/themes/Adwaita/gtk-3.0/_common.scss
index a2b34be..16dd47c 100644
--- a/themes/Adwaita/gtk-3.0/_common.scss
+++ b/themes/Adwaita/gtk-3.0/_common.scss
@@ -663,7 +663,7 @@ GtkPopover {
       &.prelight-page { color: lighten($fg_color,15%); } //prelight tab text
     }
     
-    .button {
+    .button { //tab close button
       padding: 0 6px; //FIXME not really doing anything
       border: 1px solid transparent; //avoid jumping around
       box-shadow: none; //FIXME glitch in the transition