1

src/App.css

+@import '~antd/dist/antd.css';
+
 .App {
   text-align: center;
 }

src/App.tsx

-import React from 'react';
-import logo from './logo.svg';
+import { Button } from 'antd';
+import React, { FC } from 'react';
 import './App.css';
 
-function App() {
-  return (
+const App: FC = () => (
   <div className="App">
-      <header className="App-header">
-        <img src={logo} className="App-logo" alt="logo" />
-        <p>
-          Edit <code>src/App.tsx</code> and save to reload.
-        </p>
-        <a
-          className="App-link"
-          href="https://reactjs.org"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          Learn React
-        </a>
-      </header>
+    <Button type="primary">Click Me!</Button>
   </div>
-  );
-}
+);
 
 export default App;
\ No newline at end of file