Let me explain it with an example.
I got a web app that looks like [login to view URL] (see attached)
I need you to refine in a way similar to [login to view URL] but even better.
Particularly, I'd like you to try several color/font styles.
Let me provide you with RDP access to this server so that you can change ASPX and CSS right in place.
Are you available to start now?