diff --git a/cosmic-theme/src/output/gtk4_output.rs b/cosmic-theme/src/output/gtk4_output.rs
index 14f40efc..796e63d7 100644
--- a/cosmic-theme/src/output/gtk4_output.rs
+++ b/cosmic-theme/src/output/gtk4_output.rs
@@ -147,9 +147,12 @@ impl Theme {
 }}
 .image-button > image,
 .image-button > box {{
-	transition: 0;
 	color: @accent_bg_color;
 }}
+.image-button:backdrop > image, 
+.image-button:backdrop > box {{
+	filter: grayscale(1) brightness(1.7);
+}}
 "#};
 
         css.push_str(&component_gtk4_css("accent", accent));