body {
  font-family: MingLiU;
  background-image: url(../images/Mikroskop.jpg);
  background-attachment: fixed;
  background-position: center top;
  font-size: 1.1em;
  text-align: center;
  background-repeat: no-repeat;
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
}