diff --git a/Paper/gtk-3.18/apps/_gnome.scss b/Paper/gtk-3.18/apps/_gnome.scss
index 79b31ca..501ce27 100644
--- a/Paper/gtk-3.18/apps/_gnome.scss
+++ b/Paper/gtk-3.18/apps/_gnome.scss
@@ -556,6 +556,23 @@ $gnome_system_monitor: #6fbe72;
 }
 
 
+/********
+ * ToDo *
+ ********/
+
+$gnome_todo: #3262A1;
+
+GtdWindow {
+  .titlebar,
+  .header-bar {
+    background-color: $gnome_todo;
+
+    &:backdrop {
+      background-color: darken($gnome_todo,10%);
+    }
+  }
+}
+
 /********
  * Yelp *
  ********/
diff --git a/Paper/gtk-3.18/gtk-dark.css b/Paper/gtk-3.18/gtk-dark.css
index 48f5539..9726c63 100644
--- a/Paper/gtk-3.18/gtk-dark.css
+++ b/Paper/gtk-3.18/gtk-dark.css
@@ -5486,6 +5486,16 @@ CcShellNavBar {
   #gnome-system-monitor .header-bar:backdrop {
     background-color: #4eac51; }
 
+/********
+ * ToDo *
+ ********/
+GtdWindow .titlebar,
+GtdWindow .header-bar {
+  background-color: #3262A1; }
+  GtdWindow .titlebar:backdrop,
+  GtdWindow .header-bar:backdrop {
+    background-color: #264a7a; }
+
 /********
  * Yelp *
  ********/
diff --git a/Paper/gtk-3.18/gtk.css b/Paper/gtk-3.18/gtk.css
index 314309b..6c34743 100644
--- a/Paper/gtk-3.18/gtk.css
+++ b/Paper/gtk-3.18/gtk.css
@@ -5501,6 +5501,16 @@ CcShellNavBar {
   #gnome-system-monitor .header-bar:backdrop {
     background-color: #4eac51; }
 
+/********
+ * ToDo *
+ ********/
+GtdWindow .titlebar,
+GtdWindow .header-bar {
+  background-color: #3262A1; }
+  GtdWindow .titlebar:backdrop,
+  GtdWindow .header-bar:backdrop {
+    background-color: #264a7a; }
+
 /********
  * Yelp *
  ********/