diff --git a/arch/sandbox/dts/sandbox.dtsi b/arch/sandbox/dts/sandbox.dtsi
index 30a305c..f0ee0b3 100644
--- a/arch/sandbox/dts/sandbox.dtsi
+++ b/arch/sandbox/dts/sandbox.dtsi
@@ -16,6 +16,12 @@
 		stdout-path = "/serial";
 	};
 
+	cedit-theme {
+		font-size = <30>;
+		menu-inset = <3>;
+		menuitem-gap-y = <1>;
+	};
+
 	alarm_wdt: alarm-wdt {
 		compatible = "sandbox,alarm-wdt";
 		timeout-sec = <5>;
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 442222e..b5509ee 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -144,6 +144,12 @@
 	cedit: cedit {
 	};
 
+	cedit-theme {
+		font-size = <30>;
+		menu-inset = <3>;
+		menuitem-gap-y = <1>;
+	};
+
 	fuzzing-engine {
 		compatible = "sandbox,fuzzing-engine";
 	};