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

@-moz-document url-prefix("http://www.google.com/reader/view/") {

/* change the width and left margin to suit the titles in your left nav */
#nav    {       width: 210px !important; }
#chrome { margin-left: 210px !important; }

/* hidden left nav with 'u' shortcut should still work */
.lhn-hidden #chrome { margin-left: 0px !important;}

}