Button Styler is part of the Design Extender Extension in Super Suite.
To access it go to:
WebAssist -> Insert CSS Button.
Yes, it is used to style buttons that do not need to be part of a form.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.