[gnome-todo] style: Remove drop highlight from task list view

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

commit 12b47e96fe71851639dde863473efa7298b8b3db
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Feb 20 10:00:33 2020 -0300

    style: Remove drop highlight from task list view

 src/theme/Adwaita.css | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/src/theme/Adwaita.css b/src/theme/Adwaita.css
index 410744c..4c66502 100644
--- a/src/theme/Adwaita.css
+++ b/src/theme/Adwaita.css
@@ -118,6 +118,11 @@ tasklistview.light emptylistwidget image {
     color: black;
 }
 
+tasklistview list:drop(active) {
+    box-shadow: none;
+    border: none;
+}
+
 /* Add a subtle shadow to color circles */
 image.color-circle-icon {
     -gtk-icon-shadow: 0 1px alpha(black, 0.18);