diff --git a/Apps/Keyty/Sources/Keyty/Features/Settings/Displays/DisplaysSettingsPane+PreviewCard.swift b/Apps/Keyty/Sources/Keyty/Features/Settings/Displays/DisplaysSettingsPane+PreviewCard.swift
index 8f6478f..bddd6c9 100644
--- a/Apps/Keyty/Sources/Keyty/Features/Settings/Displays/DisplaysSettingsPane+PreviewCard.swift
+++ b/Apps/Keyty/Sources/Keyty/Features/Settings/Displays/DisplaysSettingsPane+PreviewCard.swift
@@ -50,6 +50,11 @@ extension DisplaysSettingsPane {
                     .frame(maxWidth: .infinity, maxHeight: .infinity)
                 }
                 .frame(height: self.previewHeight)
+                .clipShape(RoundedRectangle(cornerRadius: Radius.lg, style: .continuous))
+                .overlay(
+                    RoundedRectangle(cornerRadius: Radius.lg, style: .continuous)
+                        .stroke(Color.Theme.Border.primary, lineWidth: StrokeWidth.standard)
+                )
             }
         }
     }
diff --git a/Apps/Keyty/Sources/Keyty/Features/Settings/Mouse/MouseSettingsPane+PreviewCard.swift b/Apps/Keyty/Sources/Keyty/Features/Settings/Mouse/MouseSettingsPane+PreviewCard.swift
index 8b71e2b..6b66225 100644
--- a/Apps/Keyty/Sources/Keyty/Features/Settings/Mouse/MouseSettingsPane+PreviewCard.swift
+++ b/Apps/Keyty/Sources/Keyty/Features/Settings/Mouse/MouseSettingsPane+PreviewCard.swift
@@ -28,6 +28,11 @@ extension MouseSettingsPane {
                 self.cursorPreview
             }
             .frame(height: Spacing.grid(40))
+            .clipShape(RoundedRectangle(cornerRadius: Radius.lg, style: .continuous))
+            .overlay(
+                RoundedRectangle(cornerRadius: Radius.lg, style: .continuous)
+                    .stroke(Color.Theme.Border.primary, lineWidth: StrokeWidth.standard)
+            )
         }
 
         private var cursorPreview: some View {