diff --git a/src/App.tsx b/src/App.tsx
index 7df55d4..f199133 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -55,7 +55,7 @@ function App() {
       </select>
       <Dynamic component={options[selected()]} />
       <FooComponent text="props test"/>
-      <div class="shadow-lg bg-twitter-blue text-center">
+      <div class="m-12 items-center justify-center^ flex h-screen shadow-lg bg-twitter-blue text-center">
         red background
       </div>
     </>