MediaWiki:Common.css

#p-logo a { background: url(images/logotop.png) 35% 50% no-repeat !important; }
a:visited { 
  color: green
}

body {
  background: #f9f9f9 url(/mw/images/Green_Wallpaper.jpg) 0 0 repeat;
  opacity : 0.2;
}

#mw-page-base {
  background: none;
}