CSS-BuMa is described by its author as
CSS-BuMa is a program to create pure Cascading Style Sheet Buttons
CSS-BuMa is an alternative to the CSS Tab Designer reviewed here earlier in the year or the online CSS (Cascading Style Sheet) menu generators like CSSMenuMaker just to name one. Besides being a lightweight and interesting application it has [...]

The CSS Tab Designer is described by its author as
CSS Tab Designer is a unique and easy to use software to help you design css-based lists and tabs visually and without any programming knowledge required
Using Cascading Style Sheets to design or code web pages is often an interesting task. It is often an adventure to [...]