[gnome-music/wip/mschraal/view-styling-fixes] Bring PlayerToolbar styling in line with mockups

[Marinus Schraal <mschraal src gnome org>]

commit 310430fbd5373486505ac0291b93b8f1d70a4990
Author: Marinus Schraal <mschraal gnome org>
Date:   Wed May 12 00:06:56 2021 +0200

    Bring PlayerToolbar styling in line with mockups

 data/org.gnome.Music.css | 4 ++++
 data/ui/PlayerToolbar.ui | 3 +++
 2 files changed, 7 insertions(+)
---
diff --git a/data/org.gnome.Music.css b/data/org.gnome.Music.css
index 23ce94564..08e3ed2c2 100644
--- a/data/org.gnome.Music.css
+++ b/data/org.gnome.Music.css
@@ -44,6 +44,10 @@ box#ArtistAlbumsWidget .artist-label {
     font-size: smaller;
 }
 
+.player-toolbar-background {
+  background-color: @theme_base_color;
+}
+
 .border-solid {
     border-style: solid;
 }
diff --git a/data/ui/PlayerToolbar.ui b/data/ui/PlayerToolbar.ui
index 7e2f58e8e..27487b6b3 100644
--- a/data/ui/PlayerToolbar.ui
+++ b/data/ui/PlayerToolbar.ui
@@ -268,5 +268,8 @@
         <property name="pack-type">end</property>
       </packing>
     </child>
+    <style>
+      <class name="player-toolbar-background"/>
+    </style>
   </template>
 </interface>