Update success.html

Author: rolling-code

docs/success.html

@@ -93,6 +93,6 @@ <h2>How to protect yourself:</h2>
   </div>
   <footer>© 2025 Security Awareness Program | Controlled simulation for training purposes.</footer>  
 <!-- Azure Function pixel tracker -->
-https://aimsatpixeltracker.azurewebsites.net/api/pixel
+<IMG src="https://aimsatpixeltracker.azurewebsites.net/api/pixel" style="display:none" alt="">
 </body>
 </html>