diff --git a/src/main/gtk-3.0/gtk-dark.css b/src/main/gtk-3.0/gtk-dark.css
index 220cb829..e1141535 100644
--- a/src/main/gtk-3.0/gtk-dark.css
+++ b/src/main/gtk-3.0/gtk-dark.css
@@ -1402,7 +1402,6 @@ searchbar > revealer > box {
 }
 
 .titlebar:backdrop {
-  background-color: #2C2C2C;
   color: rgba(255, 255, 255, 0.7);
 }
 
@@ -1410,6 +1409,10 @@ searchbar > revealer > box {
   color: rgba(255, 255, 255, 0.3);
 }
 
+.csd .titlebar:backdrop {
+  background-color: #2C2C2C;
+}
+
 .titlebar .title {
   padding: 0 12px;
   font-weight: bold;
diff --git a/src/main/gtk-3.0/gtk-light.css b/src/main/gtk-3.0/gtk-light.css
index a8c53e02..81dbca2a 100644
--- a/src/main/gtk-3.0/gtk-light.css
+++ b/src/main/gtk-3.0/gtk-light.css
@@ -1402,7 +1402,6 @@ searchbar > revealer > box {
 }
 
 .titlebar:backdrop {
-  background-color: #FAFAFA;
   color: rgba(0, 0, 0, 0.6);
 }
 
@@ -1410,6 +1409,10 @@ searchbar > revealer > box {
   color: rgba(0, 0, 0, 0.26);
 }
 
+.csd .titlebar:backdrop {
+  background-color: #FAFAFA;
+}
+
 .titlebar .title {
   padding: 0 12px;
   font-weight: bold;
diff --git a/src/main/gtk-3.0/gtk.css b/src/main/gtk-3.0/gtk.css
index d187e640..6c352dfc 100644
--- a/src/main/gtk-3.0/gtk.css
+++ b/src/main/gtk-3.0/gtk.css
@@ -1402,7 +1402,6 @@ searchbar > revealer > box {
 }
 
 .titlebar:backdrop {
-  background-color: #2C2C2C;
   color: rgba(255, 255, 255, 0.7);
 }
 
@@ -1410,6 +1409,10 @@ searchbar > revealer > box {
   color: rgba(255, 255, 255, 0.3);
 }
 
+.csd .titlebar:backdrop {
+  background-color: #2C2C2C;
+}
+
 .titlebar .title {
   padding: 0 12px;
   font-weight: bold;
diff --git a/src/sass/gtk/_common-3.0.scss b/src/sass/gtk/_common-3.0.scss
index c4c3a34d..1c157ba7 100644
--- a/src/sass/gtk/_common-3.0.scss
+++ b/src/sass/gtk/_common-3.0.scss
@@ -1139,12 +1139,15 @@ searchbar > revealer > box {
   &:disabled { color: $titlebar-text-disabled; }
 
   &:backdrop {
-    background-color: $titlebar-backdrop;
     color: $titlebar-text-secondary;
 
     &:disabled { color: $titlebar-text-secondary-disabled; }
   }
 
+  .csd &:backdrop {
+    background-color: $titlebar-backdrop;
+  }
+
   .title {
     padding: 0 12px;
     font-weight: bold;