Underline links in postbit only?

I was wondering if you could use vbseo so as to change the format of links in postbit only. So links in postbit become underlined without having to underline the rest of the forum (like links to members, thread links etc.)

I guess that has nothing to do with vBSEO.
That can be achieved with tweaking the CSS of your Forum style.

Set text-decoration: none for all the CSS definitions you see for links. Then define a new class with text-decoration: underline for links. Finally edit the postbit template and set the class attribute of the table/div that wraps the post content to that new CSS class.

that's not from vbseo
its css
is this problem fixed if you disable the vbseo ?