diff --git a/gtk-3.0/gtk-widgets.css b/gtk-3.0/gtk-widgets.css
index 3428f75..619f566 100644
--- a/gtk-3.0/gtk-widgets.css
+++ b/gtk-3.0/gtk-widgets.css
@@ -4153,3 +4153,11 @@ GtkBubbleWindow .toolbar {
     box-shadow: 0 3px 5px alpha(black, 0.5),
                 0 0 0 1px alpha(black, 0.2);
 }
+
+.toolbar .button , .toolbar .button:insensitive  {
+    border: 1px solid transparent;
+    background: none;
+    border-color: none;
+    box-shadow: inset 0 0 ,
+                inset 0 0 ;
+}