[gnome-panel/wip-tasklist] style: add rgba gradient and margin to wnck-tasklist

[Sebastian Geiger <segeiger src gnome org>]

commit 747129144234dd2cff35d75b81d108a24c3147c8
Author: Sebastian Geiger <lanoxx gmx net>
Date:   Fri Feb 28 23:30:04 2020 +0000

    style: add rgba gradient and margin to wnck-tasklist

 data/theme/Adwaita/gnome-panel.css | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/data/theme/Adwaita/gnome-panel.css b/data/theme/Adwaita/gnome-panel.css
index 90305f5f3..cc3ad5c49 100644
--- a/data/theme/Adwaita/gnome-panel.css
+++ b/data/theme/Adwaita/gnome-panel.css
@@ -44,6 +44,11 @@ wnck-pager:selected {
   background-color: #4a90d9;
 }
 
+wnck-tasklist button {
+  background-image: linear-gradient(to top, rgba(252,252,252,.6) 3px, rgba(252,252,252,.8));
+  margin-left: 2px;
+}
+
 gp-arrow-button {
   border: 1px solid #9d9d99;
   background-image: linear-gradient(to bottom, #e8e8e7, #dededd 60%, #cfcfcd);