@namespace url(http://www.w3.org/1999/xhtml);
@-moz-document domain("facebook.com") {

#canvas_container {width:750px !important;}

#feedwall_with_composer, #tab_canvas {
width:800px!important;
}
.profile_two_columns .right_column  {
width: 707px!important;
}
#fbnew_preview_bar, .UICompatibilityFrame_FooterAdsContainer, [class$="SidebarAds"], .profile_sidebar_ads, .ad_capsule, .sponsor, .adcolumn, .social_ad {display:none !important}
}