body {
  background-color: black;
}

/*.light {
  background-image: url( "glow.png" );
}*/

body {
}

#main {
  width: 720px;
  margin-left: auto;
  margin-right: auto;
}

#headline {
  width: 140px;
  height: 24px;
  background-image: url( "raberalf.png" );
  background-repeat: no-repeat;
  margin: 50px 25px 0;
}

#matrixContainer {
  width: 720px;
  height: 400px;
  margin: 25px 0 0;
}