diff --git a/crates/gpui3/src/platform/mac/shaders.metal b/crates/gpui3/src/platform/mac/shaders.metal
index f0d9c3ab0211aad6897b14eb07cfe4b8d2329a0f..9f9644a20efd0f662c7274371fc9045228ac3322 100644
--- a/crates/gpui3/src/platform/mac/shaders.metal
+++ b/crates/gpui3/src/platform/mac/shaders.metal
@@ -91,7 +91,7 @@ fragment float4 quad_fragment(
         color = float4(premultiplied_output_rgb, output_alpha);
     }
 
-    return color;
+    return color * float4(1., 1., 1., saturate(0.5 - distance));
 }
 
 float4 hsla_to_rgba(Hsla hsla) {
diff --git a/crates/gpui3/src/platform/mac/window.rs b/crates/gpui3/src/platform/mac/window.rs
index 3c14129f03d15a04dcc6c4f0c50ac013ecfd2f59..d62d724e2c05fa36d30b7e0dde1ef133f49b18ef 100644
--- a/crates/gpui3/src/platform/mac/window.rs
+++ b/crates/gpui3/src/platform/mac/window.rs
@@ -1363,7 +1363,12 @@ extern "C" fn display_layer(this: &Object, _: Sel, _: id) {
             clip_corner_radii: Default::default(),
             background: crate::rgb(0x00ff00).into(),
             border_color: Default::default(),
-            corner_radii: Default::default(),
+            corner_radii: crate::Corners {
+                top_left: px(9.),
+                top_right: px(3.),
+                bottom_right: px(20.),
+                bottom_left: px(50.),
+            },
             border_widths: Default::default(),
         });
         scene.insert(crate::Quad {