updated

src/pages/PageNotFound/index.js

@@ -2,8 +2,11 @@ import React from 'react';
 
 const PageNotFound = () => {
     return(
-        <div>
-            Page not found
+        <div className="error404">
+            <div>
+                <h1>Error 404</h1>
+                <span>Pagina non trovata</span>
+            </div>
         </div>
     )
 }