[gnome-shell-sass] padOsd: Add theming for the pad OSD.

[Carlos Garnacho <carlosg src gnome org>]

commit ec992caa801a82ad5870c0da709dfd8c37a1a707
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Oct 13 12:59:13 2016 +0200

    padOsd: Add theming for the pad OSD.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=771067

 _common.scss |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/_common.scss b/_common.scss
index ebf3616..31bd040 100644
--- a/_common.scss
+++ b/_common.scss
@@ -622,6 +622,16 @@ StScrollBar {
   }
 }
 
+/* Pad OSD */
+.pad-osd-window {
+    padding: 32px;
+    background-color: transparentize(black, 0.8);
+}
+
+.combo-box-label {
+    width: 15em;
+}
+
 /* App Switcher */
 .switcher-popup {
   padding: 8px;