[gnome-todo] theme: fix dark color support

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

commit d8c050d8786188c7f9c9c31851420938a892fb3c
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Oct 5 22:21:24 2016 -0300

    theme: fix dark color support

 data/theme/Adwaita.css |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/data/theme/Adwaita.css b/data/theme/Adwaita.css
index 3d4231b..e99b9e3 100644
--- a/data/theme/Adwaita.css
+++ b/data/theme/Adwaita.css
@@ -35,7 +35,8 @@ task-list-view task-row:hover {
 
 grid-item.dark,
 task-list-view.dark task-row,
-task-list-view.dark label {
+task-list-view.dark overlay label,
+task-list-view.dark overlay image {
     color: #eeeeec;
 }