How to customize s:formattedText

I am using <s:formattedText> for formatting my page.It works fine as expected, but the padding around the text seams to be large. So I applied my own styleClass to this element but it didn't take effect. Firebug shows t开发者_如何学Gohat the paragraph has styleClass 'seamTextPara'.

Where will I be able to find details on the above styleClass and how to customize it?

p.seamTextPara
{
  display: inline;
}