diff --git a/gtk/resources/theme/Adwaita/_common.scss b/gtk/resources/theme/Adwaita/_common.scss
index 381d3837a3..c7b6b2a795 100644
--- a/gtk/resources/theme/Adwaita/_common.scss
+++ b/gtk/resources/theme/Adwaita/_common.scss
@@ -1512,6 +1512,7 @@ GtkLevelBar.vertical {
 %selected_items {
   background-color: $selected_bg_color;
   color: $selected_fg_color;
+  outline-color: transparentize($selected_fg_color, 0.7);
   &:backdrop { color: $backdrop_base_color; }
 }
 
diff --git a/gtk/resources/theme/Adwaita/gtk-contained-dark.css b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
index 4e6b2a3171..df3b4cd64a 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
@@ -2041,7 +2041,8 @@ GtkLevelBar.vertical {
 
 .view:selected, .view:selected:focus, .view:selected:hover, .entry:selected, .entry:selected:focus, .button:selected, .button:selected:focus {
   background-color: #215d9c;
-  color: white; }
+  color: white;
+  outline-color: rgba(255, 255, 255, 0.3); }
   .view:backdrop:selected, .entry:backdrop:selected, .button:backdrop:selected {
     color: #2c2c2c; }
 
diff --git a/gtk/resources/theme/Adwaita/gtk-contained.css b/gtk/resources/theme/Adwaita/gtk-contained.css
index a6b1a52d38..45de207038 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained.css
@@ -2039,7 +2039,8 @@ GtkLevelBar.vertical {
 
 .view:selected, .view:selected:focus, .view:selected:hover, .entry:selected, .entry:selected:focus, .button:selected, .button:selected:focus {
   background-color: #4a90d9;
-  color: white; }
+  color: white;
+  outline-color: rgba(255, 255, 255, 0.3); }
   .view:backdrop:selected, .entry:backdrop:selected, .button:backdrop:selected {
     color: #fcfcfc; }