#aboutbuttong a  {
   background-image: url(sg_about_media/aboutbuttong.gif);
}

#homebuttong a  {
   background-image: url(sg_about_media/homebuttong.gif);
}

#logobutton a  {
   background-image: url(sg_about_media/logobutton.gif);
}

html, body  {
   background-image: url(sg_about_media/browserbackground.gif);
}