Thats not what he wants =)
Check this out. here is how you do it.
Open up your admin control panel go to styles/templates and style manager. Select the style you want to add this new css to and select all style options and klick go.
Scroll down till you se the button table. it should read "
Buttons (Customized in this Style)".
In the right empty box wich is called "
extra css attributes" you add this css style.
Code:
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 10px;
color: #FFFFFF;
background-color: #999999;
border: 1px solid #000000;
Try it out. Yust change colors and font to your liking and it should work out yust fine for you.