diff --git a/src/_sass/gtk/_common-3.20.scss b/src/_sass/gtk/_common-3.20.scss
index d616605..614831f 100644
--- a/src/_sass/gtk/_common-3.20.scss
+++ b/src/_sass/gtk/_common-3.20.scss
@@ -3581,7 +3581,10 @@ decoration {
   .popup & { box-shadow: none; }
 
   // server-side decorations as used by mutter
-  .ssd & { box-shadow: 0 3px 3px rgba(0, 0, 0, 0.16); } // just doing borders, wm draws actual shadows
+  .ssd & {
+    border-radius: $window-radius $window-radius 0 0;
+    box-shadow: none; // just doing borders, wm draws actual shadows
+  }
 
   .csd.popup & {
     border-radius: $corner-radius;
diff --git a/src/gtk/3.0/gtk-compact.css b/src/gtk/3.0/gtk-compact.css
index e7dbbaa..1170bbd 100644
--- a/src/gtk/3.0/gtk-compact.css
+++ b/src/gtk/3.0/gtk-compact.css
@@ -5000,7 +5000,8 @@ decoration:backdrop {
 }
 
 .ssd decoration {
-  box-shadow: 0 3px 3px rgba(0, 0, 0, 0.16);
+  border-radius: 18px 18px 0 0;
+  box-shadow: none;
 }
 
 .csd.popup decoration {
diff --git a/src/gtk/3.0/gtk-dark-compact.css b/src/gtk/3.0/gtk-dark-compact.css
index fa1360c..96ec4f4 100644
--- a/src/gtk/3.0/gtk-dark-compact.css
+++ b/src/gtk/3.0/gtk-dark-compact.css
@@ -5000,7 +5000,8 @@ decoration:backdrop {
 }
 
 .ssd decoration {
-  box-shadow: 0 3px 3px rgba(0, 0, 0, 0.16);
+  border-radius: 18px 18px 0 0;
+  box-shadow: none;
 }
 
 .csd.popup decoration {
diff --git a/src/gtk/3.0/gtk-dark.css b/src/gtk/3.0/gtk-dark.css
index 24e4470..b3e723b 100644
--- a/src/gtk/3.0/gtk-dark.css
+++ b/src/gtk/3.0/gtk-dark.css
@@ -5000,7 +5000,8 @@ decoration:backdrop {
 }
 
 .ssd decoration {
-  box-shadow: 0 3px 3px rgba(0, 0, 0, 0.16);
+  border-radius: 18px 18px 0 0;
+  box-shadow: none;
 }
 
 .csd.popup decoration {
diff --git a/src/gtk/3.0/gtk-light-compact.css b/src/gtk/3.0/gtk-light-compact.css
index 7fe9a0a..46f404f 100644
--- a/src/gtk/3.0/gtk-light-compact.css
+++ b/src/gtk/3.0/gtk-light-compact.css
@@ -5000,7 +5000,8 @@ decoration:backdrop {
 }
 
 .ssd decoration {
-  box-shadow: 0 3px 3px rgba(0, 0, 0, 0.16);
+  border-radius: 18px 18px 0 0;
+  box-shadow: none;
 }
 
 .csd.popup decoration {
diff --git a/src/gtk/3.0/gtk-light.css b/src/gtk/3.0/gtk-light.css
index 4cc4910..247289d 100644
--- a/src/gtk/3.0/gtk-light.css
+++ b/src/gtk/3.0/gtk-light.css
@@ -5000,7 +5000,8 @@ decoration:backdrop {
 }
 
 .ssd decoration {
-  box-shadow: 0 3px 3px rgba(0, 0, 0, 0.16);
+  border-radius: 18px 18px 0 0;
+  box-shadow: none;
 }
 
 .csd.popup decoration {
diff --git a/src/gtk/3.0/gtk.css b/src/gtk/3.0/gtk.css
index d00a478..fe99590 100644
--- a/src/gtk/3.0/gtk.css
+++ b/src/gtk/3.0/gtk.css
@@ -5000,7 +5000,8 @@ decoration:backdrop {
 }
 
 .ssd decoration {
-  box-shadow: 0 3px 3px rgba(0, 0, 0, 0.16);
+  border-radius: 18px 18px 0 0;
+  box-shadow: none;
 }
 
 .csd.popup decoration {