[gtk/wip/matthiasc/popup4: 41/79] Adwaita: Give popover menus a background

[Matthias Clasen <matthiasc src gnome org>]

commit 713f06bd34bb2149b1b665b797762bfe4b38a6af
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Mar 24 11:41:55 2019 -0400

    Adwaita: Give popover menus a background
    
    This makes the hover highlight on menu items visible.

 gtk/theme/Adwaita/_common.scss | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index e8f2409442..d2bfdc2332 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -4721,3 +4721,7 @@ popover.emoji-completion contents row box {
 popover.emoji-completion .emoji:hover {
   background-color: $popover_hover_color;
 }
+
+popover.menu {
+  background-color: lightgray;
+}