diff --git a/gtk-3.0/_xfce.scss b/gtk-3.0/_xfce.scss
index 7b4b7c71..4577b101 100644
--- a/gtk-3.0/_xfce.scss
+++ b/gtk-3.0/_xfce.scss
@@ -131,6 +131,8 @@ XfdesktopIconView.view {
     color: $panel_fg_color;
     border-color: shade($panel_bg_color, 0.6);
 
+    buttonbox { padding: 0; }
+
     button {
         background-image: none;
         border-color: shade($panel_fg_color, 0.35);
diff --git a/gtk-3.0/gtk-contained.css b/gtk-3.0/gtk-contained.css
index cb2e7d5b..5b7f7771 100644
--- a/gtk-3.0/gtk-contained.css
+++ b/gtk-3.0/gtk-contained.css
@@ -4422,6 +4422,8 @@ XfdesktopIconView.view {
   background-color: shade(#686868, 0.3);
   color: #fcfcfc;
   border-color: shade(#686868, 0.6); }
+  #XfceNotifyWindow buttonbox {
+    padding: 0; }
   #XfceNotifyWindow button {
     background-image: none;
     border-color: shade(#fcfcfc, 0.35);