You haven’t given us enough information to help you.
Give us the link to the page with the image? or what you see in CSS, or both…
There are many ways to do everything, and most of us are customers like you, so we can’t look up your account.
Also “was part of the theme package that was installed on dreamhost for me.” was this part of a theme installed via a one-click install, or did you give a 3rd party access to do work for you?