diff --git a/.config/gtk-3.0/widgets/notebook.css b/.config/gtk-3.0/widgets/notebook.css
index c9b7b1c..6a8e7b7 100644
--- a/.config/gtk-3.0/widgets/notebook.css
+++ b/.config/gtk-3.0/widgets/notebook.css
@@ -13,3 +13,7 @@ notebook header {
     background: @bg_color;
 }
 
+notebook tab:active {
+    background-color: #ff0000;
+}
+