diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index d6b103073c..b035b51cea 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -2876,10 +2876,12 @@ GtkCalendar {
     }
     %last_button {
       border-bottom-right-radius: 7px;
+      outline-bottom-right-radius: 5px;
     }
     %first_button {
       border-left-style: none;
       border-bottom-left-radius: 7px;
+      outline-bottom-left-radius: 5px;
     }
   }
 }
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index de3f7ad489..149b637369 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -3992,10 +3992,12 @@ GtkCalendar {
     border-right-style: none;
     border-bottom-style: none; }
   .message-dialog.csd .dialog-action-area .button:last-child {
-    border-bottom-right-radius: 7px; }
+    border-bottom-right-radius: 7px;
+    outline-bottom-right-radius: 5px; }
   .message-dialog.csd .dialog-action-area .button:first-child {
     border-left-style: none;
-    border-bottom-left-radius: 7px; }
+    border-bottom-left-radius: 7px;
+    outline-bottom-left-radius: 5px; }
 
 GtkFileChooserDialog .search-bar {
   background-color: #292929;
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index 4f7fe44d5a..53aeba7648 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -4164,10 +4164,12 @@ GtkCalendar {
     border-right-style: none;
     border-bottom-style: none; }
   .message-dialog.csd .dialog-action-area .button:last-child {
-    border-bottom-right-radius: 7px; }
+    border-bottom-right-radius: 7px;
+    outline-bottom-right-radius: 5px; }
   .message-dialog.csd .dialog-action-area .button:first-child {
     border-left-style: none;
-    border-bottom-left-radius: 7px; }
+    border-bottom-left-radius: 7px;
+    outline-bottom-left-radius: 5px; }
 
 GtkFileChooserDialog .search-bar {
   background-color: #ffffff;