[gnome-calendar] style: fix white on white current day on year view

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 67e370034ac2ae0e6ea9ef1bc84f85fd4adcd02a
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue Mar 1 01:19:41 2016 -0300

    style: fix white on white current day on year view

 data/theme/gtk-styles.css |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/theme/gtk-styles.css b/data/theme/gtk-styles.css
index a2b20e1..be07bc8 100644
--- a/data/theme/gtk-styles.css
+++ b/data/theme/gtk-styles.css
@@ -113,7 +113,7 @@ calendar-view.second-view-header {
 
 /* these two are supposed be changed in sync with .calendar-view */
 .year-navigator.current {
-    background-color: @theme_fg_color;
+    background-color: black;
     border-radius: 2px;
     color: white;
     font: bold;