diff --git a/gtk/resources/theme/Adwaita/_common.scss b/gtk/resources/theme/Adwaita/_common.scss
index d570ccbfc8..ec10e46278 100644
--- a/gtk/resources/theme/Adwaita/_common.scss
+++ b/gtk/resources/theme/Adwaita/_common.scss
@@ -1528,6 +1528,7 @@ GtkTreeView.view.progressbar { //Progressbar in treeview cells
       &:backdrop { color: $backdrop_fg_color; }
     }
     .button { //tab close button
+      padding: 0;
       border: 1px solid transparent;
       @extend %undecorated_button;
       icon-shadow: none;
diff --git a/gtk/resources/theme/Adwaita/gtk-contained-dark.css b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
index 7cb138ccd3..c899cd1bd4 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
@@ -1804,6 +1804,7 @@ GtkTreeView.view.progressbar {
       .notebook tab .active-page GtkLabel:backdrop, .notebook tab GtkLabel.active-page:backdrop {
         color: #c9cbc9; }
     .notebook tab .button {
+      padding: 0;
       border: 1px solid transparent;
       icon-shadow: none;
       transition: none;
diff --git a/gtk/resources/theme/Adwaita/gtk-contained.css b/gtk/resources/theme/Adwaita/gtk-contained.css
index 46173b07a0..37335dfdc1 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained.css
@@ -1798,6 +1798,7 @@ GtkTreeView.view.progressbar {
       .notebook tab .active-page GtkLabel:backdrop, .notebook tab GtkLabel.active-page:backdrop {
         color: #54595a; }
     .notebook tab .button {
+      padding: 0;
       border: 1px solid transparent;
       icon-shadow: none;
       transition: none;