diff --git a/playground/app.scss b/playground/app.scss
index 75bf7f9..f5c3583 100644
--- a/playground/app.scss
+++ b/playground/app.scss
@@ -10,6 +10,8 @@ body {
 	justify-content: center;
 	align-items: center;
 	.border {
-		border: 1px solid #e0e0e0;
+		background: #fff;
+		border-radius: 5px;
+		box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
 	}
 }
\ No newline at end of file
diff --git a/playground/app.tsx b/playground/app.tsx
index b2497c5..ad44162 100644
--- a/playground/app.tsx
+++ b/playground/app.tsx
@@ -9,6 +9,7 @@ export default () => {
 	}
 
 	return (<div className='app'>
+		
 		<div className="border">
 			<WeekPicker 
 				value={{