In Admin CP > Themes > Your Theme >
Scrll down to Page Container
Adjust the percentage to the required width then in the CSS box add
margin: auto auto;
margin-left: auto;
margin-right: auto;
it has that code in it i think and it just goes really wide
if u want i can give u a link to my board to show you wat i mean
i found vb's css and at the bottom it says this
form { display: inline; }
label { cursor: default; }
.normal { font-weight: normal; }
.inlineimg { vertical-align: middle; }
.underline { text-decoration: underline; }
the link to the css is
http://www.vbulletin.com/forum/clientscr...-00001.css
---------------edit ---------
sorry for double post
should i add that?