Update src/app/page.tsx

Merge version_3 into main

src/app/page.tsx

@@ -58,6 +58,7 @@ export default function LandingPage() {
         { src: "http://img.b2bpic.net/free-photo/smiling-middle-aged-business-leader-window_1262-5674.jpg", alt: "Utilisateur 4" },
         { src: "http://img.b2bpic.net/free-photo/close-up-entrepreneur-with-corporate-job-looking-camera-business-office-portrait-young-man-preparing-work-planning-development-industry-with-technology-computer_482257-29387.jpg", alt: "Utilisateur 5" }
       ]}
+      buttonClassName="btn-primary"
     />
   </div>
 
@@ -186,4 +187,4 @@ export default function LandingPage() {
       </ReactLenis>
     </ThemeProvider>
   );
-}
+}