diff --git a/dev/demo/index.tsx b/dev/demo/index.tsx
new file mode 100644
index 0000000..e349916
--- /dev/null
+++ b/dev/demo/index.tsx
@@ -0,0 +1,19 @@
+import ReactDOM from "react-dom/client";
+import reportWebVitals from "./reportWebVitals";
+
+import "./style/classes.css";
+// @ts-ignore
+import "./style/index.css";
+// @ts-ignore
+import "./App.css";
+import "./style/applies.css";
+
+// @ts-ignore
+import App from "./App";
+
+const root = ReactDOM.createRoot(
+  document.getElementById("root") as HTMLElement,
+);
+
+root.render(<App />);
+reportWebVitals();