[gnome-shell-sass] mpris: Add hover effect

[Florian Müllner <fmuellner src gnome org>]

commit 03e5b484179ba17bcd22127f9b9eb081a6833031
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Mar 1 20:37:02 2017 +0100

    mpris: Add hover effect
    
    It is not immediately obvious that media controls are interactive,
    so add a small hover effect.

 _common.scss |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/_common.scss b/_common.scss
index 708bc8f..bc86897 100644
--- a/_common.scss
+++ b/_common.scss
@@ -1049,9 +1049,11 @@ StScrollBar {
 
           .message-media-control {
             padding: 12px;
+            color: darken($fg_color, 20%);
 
             &:last-child:ltr { padding-right: 18px; }
             &:last-child:rtl { padding-left: 18px; }
+            &:hover { color: $fg_color; }
             &:insensitive { color: darken($fg_color,40%); }
           }