added border on post on feed

src/App.js

@@ -1,6 +1,6 @@
 // src/App.jsx
 import { useEffect, useRef } from 'react';
-import { BrowserRouter, Routes, Route } from 'react-router-dom';
+import { BrowserRouter, Routes, Route, useLocation } from 'react-router-dom';
 import { AuthProvider } from './context/AuthContext';
 import { ThemeProvider } from './context/ThemeContext';
 import { useAuthContext } from './context/AuthContext';
@@ -13,6 +13,12 @@ import ChatListPage from './pages/ChatListPage';
 import ReviewsPage from './pages/ReviewsPage';
 import './styles/chat.css';
 
+function ScrollToTop() {
+  const { pathname } = useLocation();
+  useEffect(() => { window.scrollTo(0, 0); }, [pathname]);
+  return null;
+}
+
 function UnreadListener() {
   const { user } = useAuthContext();
   const { resetUnread } = useUnread();
@@ -38,6 +44,7 @@ function App() {
         <AuthProvider>
           <UnreadListener />
           <BrowserRouter>
+            <ScrollToTop />
             <Routes>
               <Route path="/" element={<LandingPage />} />
               <Route path="/feed" element={<MainFeed />} />