added node sass and tested it

package.json

@@ -10,9 +10,11 @@
     "@types/node": "^17.0.45",
     "@types/react": "^18.0.20",
     "@types/react-dom": "^18.0.6",
+    "node-sass": "^7.0.3",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-scripts": "5.0.1",
+    "sass": "^1.55.0",
     "typescript": "^4.8.3",
     "web-vitals": "^2.1.4",
     "workbox-background-sync": "^6.5.4",

src/App.css

@@ -1,38 +0,0 @@
-.App {
-  text-align: center;
-}
-
-.App-logo {
-  height: 40vmin;
-  pointer-events: none;
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  .App-logo {
-    animation: App-logo-spin infinite 20s linear;
-  }
-}
-
-.App-header {
-  background-color: #282c34;
-  min-height: 100vh;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  font-size: calc(10px + 2vmin);
-  color: white;
-}
-
-.App-link {
-  color: #61dafb;
-}
-
-@keyframes App-logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
-}

src/App.module.scss

@@ -0,0 +1,3 @@
+.App {
+  text-align: center;
+}

src/App.tsx

@@ -1,24 +1,10 @@
 import React from 'react';
-import logo from './logo.svg';
-import './App.css';
+import styles from './App.module.scss';
 
 function App() {
   return (
-    <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>
+    <div className={styles.App}>
+
     </div>
   );
 }