[gnome-shell-sass] add missing close button states

[Jakub Steiner <jimmac src gnome org>]

commit 7850b27f51a9d2e5a4154389d477da80214714c5
Author: Jakub Steiner <jimmac gmail com>
Date:   Fri Sep 22 17:10:35 2017 +0200

    add missing close button states
    
    https://bugzilla.gnome.org/show_bug.cgi?id=788003

 _common.scss |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/_common.scss b/_common.scss
index ad07300..cadb77b 100644
--- a/_common.scss
+++ b/_common.scss
@@ -1152,11 +1152,11 @@ StScrollBar {
   background-size: 32px;
   height: 32px;
   width: 32px;
+  -shell-close-overlap: 16px;
+
+  &:hover { background-image: url("resource:///org/gnome/shell/theme/close-window-hover.svg"); }
+  &:active { background-image: url("resource:///org/gnome/shell/theme/close-window-active.svg"); }
 }
-  .window-close {
-    -shell-close-overlap: 16px;
-    &:rtl { -st-background-image-shadow: 2px 2px 6px rgba(0,0,0,0.5); }
-  }
 
 /* NETWORK DIALOGS */