MediaWiki:Group-user.css

/* Le CSS placé ici n’affectera que les utilisateurs enregistrés. */
body
{
background-image:url('http://rhinedits.u-strasbg.fr/w/images/1/19/Grendelbruch.ng');
filter:alpha(opacity=90);
opacity: 0.9;
-moz-opacity:0.9;
background-repeat: no-repeat;
background-position: center center;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
}
div#mw-panel, #mw-head, #mw-page-base,  #firstHeading,  #footer,  #left-navigation,   #contentSub,  #jump-to-nav,  .mw-pt-translate-header {display:block;}
#mw-head-base, div#content, div#footer {display:block;}
div#content.mw-body { margin-left: 10em }