diff --git a/gtk/resources/theme/Adwaita/_common.scss b/gtk/resources/theme/Adwaita/_common.scss
index 586e280027..198c9092aa 100644
--- a/gtk/resources/theme/Adwaita/_common.scss
+++ b/gtk/resources/theme/Adwaita/_common.scss
@@ -1874,6 +1874,7 @@ GtkProgressBar.trough {
 GtkLevelBar {
   -GtkLevelBar-min-block-width: 34;
   -GtkLevelBar-min-block-height: 3;
+  box-shadow: $widget_edge; // needs to be set here to avoid clipping
 }
 
 GtkLevelBar.vertical {
diff --git a/gtk/resources/theme/Adwaita/gtk-contained-dark.css b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
index af6e850bd0..f32932aaa3 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
@@ -2373,7 +2373,8 @@ GtkProgressBar.trough {
  *************/
 GtkLevelBar {
   -GtkLevelBar-min-block-width: 34;
-  -GtkLevelBar-min-block-height: 3; }
+  -GtkLevelBar-min-block-height: 3;
+  box-shadow: 0 1px rgba(238, 238, 236, 0.1); }
 
 GtkLevelBar.vertical {
   -GtkLevelBar-min-block-width: 3;
diff --git a/gtk/resources/theme/Adwaita/gtk-contained.css b/gtk/resources/theme/Adwaita/gtk-contained.css
index 27b902aff5..96ff7e77c6 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained.css
@@ -2364,7 +2364,8 @@ GtkProgressBar.trough {
  *************/
 GtkLevelBar {
   -GtkLevelBar-min-block-width: 34;
-  -GtkLevelBar-min-block-height: 3; }
+  -GtkLevelBar-min-block-height: 3;
+  box-shadow: 0 1px white; }
 
 GtkLevelBar.vertical {
   -GtkLevelBar-min-block-width: 3;