diff --git a/samples/calc-02/index.css b/samples/calc-02/index.css
index 03dbb3a..823d84b 100644
--- a/samples/calc-02/index.css
+++ b/samples/calc-02/index.css
@@ -36,14 +36,13 @@ html, body {
 }
 
 body {
-	min-height: 100vh;
-	font-family: Arial, sans-serif;
-	color: var(--buttonText);
-	background:
-		radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 32%),
-		linear-gradient(180deg, var(--bg1), var(--bg0));
+min-height: 100vh;
+font-family: Arial, sans-serif;
+color: var(--buttonText);
+background: var(--bg0);
 }
 
+
 .app-shell {
 	min-height: 100vh;
 	display: grid;
@@ -58,7 +57,7 @@ body {
 	display: grid;
 	padding: 8px;
 	border-radius: 8px;
-	background: linear-gradient(180deg, var(--panel2), var(--panel));
+	background: var(--panel);
 	border: 1px solid var(--edge);
 	box-shadow: 0 26px 70px var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.08);
 	grid-template-columns: 1fr;
@@ -105,7 +104,7 @@ body {
 	width: 100%;
 	padding: 16px;
 	padding-bottom: 8px;
-	background: linear-gradient(180deg, var(--display), var(--display2));
+	background: var(--display);
 	color: var(--displayText);
 	font-family: "Courier New", monospace;
 	overflow: hidden;