diff --git a/src/App.tsx b/src/App.tsx
index a70272c..674d376 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,34 +1,31 @@
-import './App.css'
-import Navbar from "./components/Navbar.tsx";
-import {BrowserRouter, Route, Routes} from "react-router-dom";
+import './App.css';
+import Navbar from './components/Navbar';
+import { BrowserRouter, Routes, Route } from 'react-router-dom';
 
 function Home() {
-    return null;
+    return <div className="p-4">Home Page</div>;
 }
 
 function Feed() {
-    return null;
+    return <div className="p-4">Feed Page</div>;
 }
 
 function Record() {
-    return null;
+    return <div className="p-4">Record Page</div>;
 }
 
 function Archive() {
-    return null;
+    return <div className="p-4">Archive Page</div>;
 }
 
 function Profile() {
-    return null;
+    return <div className="p-4">Profile Page</div>;
 }
 
-function App() {
-
+export default function App() {
     return (
         <BrowserRouter>
-            <div>
-                <Navbar/>
-            </div>
+            <Navbar />
             <Routes>
                 <Route path="/" element={<Home />} />
                 <Route path="/feed" element={<Feed />} />
@@ -37,7 +34,5 @@ function App() {
                 <Route path="/profile" element={<Profile />} />
             </Routes>
         </BrowserRouter>
-    )
+    );
 }
-
-export default App
diff --git a/src/components/Navbar.tsx b/src/components/Navbar.tsx
index ef7efba..f2d3ade 100644
--- a/src/components/Navbar.tsx
+++ b/src/components/Navbar.tsx
@@ -1,14 +1,26 @@
-import {NavLink} from 'react-router-dom'
-import '../styles/navbar.css'
+import { NavLink } from 'react-router-dom';
 
 export default function Navbar() {
+    const linkClasses = ({ isActive }: { isActive: boolean }) =>
+        isActive ? 'text-blue-600 font-semibold' : 'text-gray-600';
+
     return (
-        <nav className="navbar flex gap-4">
-            <NavLink to={"/"} className="navbar-left flex item-center gap-2">Home</NavLink>
-            <NavLink to={"/feed"} className="navbar-left">Feed</NavLink>
-            <NavLink to={"/record"} className="navbar-center">Record</NavLink>
-            <NavLink to={"/archive"} className="navbar-right">Find</NavLink>
-            <NavLink to={"/profile"} className="navbar-right">Profile</NavLink>
+        <nav className="flex justify-center gap-8 bg-gray-100 py-4">
+            <NavLink to="/" className={linkClasses}>
+                Home
+            </NavLink>
+            <NavLink to="/feed" className={linkClasses}>
+                Feed
+            </NavLink>
+            <NavLink to="/record" className={linkClasses}>
+                Record
+            </NavLink>
+            <NavLink to="/archive" className={linkClasses}>
+                Archive
+            </NavLink>
+            <NavLink to="/profile" className={linkClasses}>
+                Profile
+            </NavLink>
         </nav>
-    )
-}
\ No newline at end of file
+    );
+}
diff --git a/src/main.tsx b/src/main.tsx
index bef5202..4df79b2 100644
--- a/src/main.tsx
+++ b/src/main.tsx
@@ -1,10 +1,12 @@
-import { StrictMode } from 'react'
-import { createRoot } from 'react-dom/client'
-import './index.css'
-import App from './App.tsx'
+import { StrictMode } from 'react';
+import { createRoot } from 'react-dom/client';
+import './index.css';
+import App from './App';
 
-createRoot(document.getElementById('root')!).render(
-  <StrictMode>
-    <App />
-  </StrictMode>,
-)
+const container = document.getElementById('root');
+if (!container) throw new Error('Root container missing in index.html');
+createRoot(container).render(
+    <StrictMode>
+        <App />
+    </StrictMode>
+);
\ No newline at end of file
diff --git a/src/styles/navbar.css b/src/styles/navbar.css
index e69de29..e4afdbf 100644
--- a/src/styles/navbar.css
+++ b/src/styles/navbar.css
@@ -0,0 +1,19 @@
+/* Example custom styles: */
+nav {
+    display: flex;
+    justify-content: center;
+    gap: 2rem;
+    background-color: #f3f4f6;
+    padding: 1rem 0;
+}
+
+nav a {
+    color: #4b5563;
+    text-decoration: none;
+    font-weight: 500;
+}
+
+nav a.active {
+    color: #2563eb;
+    font-weight: 600;
+}
diff --git a/tsconfig.app.json b/tsconfig.app.json
index 227a6c6..c044f42 100644
--- a/tsconfig.app.json
+++ b/tsconfig.app.json
@@ -21,7 +21,8 @@
     "noUnusedParameters": true,
     "erasableSyntaxOnly": true,
     "noFallthroughCasesInSwitch": true,
-    "noUncheckedSideEffectImports": true
+    "noUncheckedSideEffectImports": true,
+    "allowSyntheticDefaultImports": true
   },
   "include": ["src"]
 }