[gnome-software] style: fix backdrop colors

[Jakub Steiner <jimmac src gnome org>]

commit 89ae0f3581ac13244d8979751bed38f97a5f01ba
Author: Jakub Steiner <jimmac gmail com>
Date:   Wed Jun 1 13:12:13 2016 +0200

    style: fix backdrop colors
    
    - labels were grey when the window wasn't focused

 src/gtk-style.css |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/src/gtk-style.css b/src/gtk-style.css
index 0a34985..1b1b654 100644
--- a/src/gtk-style.css
+++ b/src/gtk-style.css
@@ -5,6 +5,9 @@
        color: @theme_selected_fg_color;
        text-shadow: 0 1px 0 rgba(0,0,0,0.5);
 }
+  .installed-overlay-box:backdrop label {
+        color: @theme_selected_fg_color;
+  }
 
 .popular-installed-overlay-box {
        font-size: 80%;
@@ -13,6 +16,9 @@
        color: @theme_selected_fg_color;
        text-shadow: none;
 }
+  .popular-installed-overlay-box:backdrop label {
+       color: @theme_selected_fg_color;
+  }
 
 .index-title-alignment-software {
        font-weight: bold;
@@ -107,6 +113,10 @@
        border-image: none;
        /* box-shadow: inset 0 0 0 1px alpha(@theme_fg_color,0.3), 0 0 1px alpha(black,0.4); */
 }
+  .featured-tile:backdrop label {
+    color: inherit;
+    text-shadow: none;
+  }
 
 .application-details-infobar.info {
        background-color: #d3d7cf;