[gtk+] HighContrast: Update flowbox rubberband styling

[Matthias Clasen <matthiasc src gnome org>]

commit 921c2a1db40e68b80c48e81965e1502731a64897
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Nov 10 00:55:29 2015 -0500

    HighContrast: Update flowbox rubberband styling
    
    Adapt to the changes in the previous commit.

 gtk/theme/HighContrast/_common.scss |    4 ++++
 gtk/theme/HighContrast/gtk.css      |    1 +
 2 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gtk/theme/HighContrast/_common.scss b/gtk/theme/HighContrast/_common.scss
index 5926be6..84fd778 100644
--- a/gtk/theme/HighContrast/_common.scss
+++ b/gtk/theme/HighContrast/_common.scss
@@ -126,6 +126,10 @@ rubberband {
   background-color: transparentize($selected_bg_color,0.8);
 }
 
+flowbox {
+  & rubberband { @extend rubberband; }
+}
+
 label {
   &:selected,
   &:selected:focus,
diff --git a/gtk/theme/HighContrast/gtk.css b/gtk/theme/HighContrast/gtk.css
index 347b925..d869a48 100644
--- a/gtk/theme/HighContrast/gtk.css
+++ b/gtk/theme/HighContrast/gtk.css
@@ -108,6 +108,7 @@ textview text,
 
 .rubberband,
 rubberband,
+flowbox rubberband,
 treeview.view.rubberband {
   border: 1px solid #000;
   background-color: rgba(0, 0, 0, 0.2); }