in a ascii Text editing application creat a Blank userContent.css File Save.

then reopen and paste the following:

#jive-wrapper {

width:100% !important;

background-color: #ffffff !important;

background-image: none !important;

}

@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("forums.adobe.com") {
  body {
    font-family: Verdana,Arial,Helvetica,sans-serif !important;
  }
}

Save and place in Profile directory> Chrome directory for FireFox and SeMonkey.

For Opera, iCab, OmniWeb, Safari simiply put in a directory on Drive and go to the css section of Browser and browse to this file to add.

Quit Browser and restart. now go to adobe forums.

Thhis style sheet allow for 100% width, and sets font to use Verdana which is the prefered Font to use, when posting.

NOTE: I am not a Code Jockey. This information is courtsey of some nice people in the Adobe > Forums > discussion area.

Then Only thing I take creadit for is for combining two CSS item in one Style Sheet.

Ahh yes, JiveHacking©.  It's becoming more and more popular these days.  Because "Jive's not gonna fix it!" ©

I totally missed this so I am way late to the party, but additional Adobe Forum hacks:

Stylish Hacks - various authors

GreaseMonkey Hacks -  heavyboots and Dave Milbut

My experience (Note I said my experience) with the Stylish route is that everytime SeaMonkey or FireFox was upgraded I had to reinstall stylish and also the code. Whomever was responsible for the Code I put in a userContent .css file whether you update any browser or all in one. The .css file sticks. and if you save it to main directory (for Mac), It works with:

Seamonkey, FireFox, Safari, Opera, OmniWeb, and iCab. I have no way of know as I don't use a PC, but, might work on IE.