BuddyPress.org

This statement I found, but when I changed the 960px or 1300px to 100% it did nothing at all.

body {

background: #fff;

font-size: 1.2em;

color: #555;

background: url(../images/background.gif) top left repeat-y;

line-height: 170%;

min-width: 960px;

max-width: 1300px;

margin: 0 auto;

}