div#mitte {
  position: absolute;
  left: 15%;
  top: 25px;
  width: 70%;
  height: 85%;
  padding: 0px;
  padding-bottom: 0px;
  border: 0px solid black;
  line-height: 2em;
  color: black;
  font-weight: bold;
  text-align: center;
  background-color: #000000;
  background-image: url(images/july.jpg);
  background-repeat:no-repeat;
  background-position:46% 20%;
}
div#zuruck {
  position: absolute;
  left: 15%;
  top: 625px;
  width: 70%;
  height: 5%;
  border-width: 0;
  line-height: 0em;
  color: black;
  font-weight: bold;
  text-align: center;
  background-color: #000000;
  background-repeat:no-repeat;
}
div#fusszeile {
  position: absolute;
  left: 0%;
  bottom: 0%;
  width: 100%;
  height: 5%;
  padding: 0px;
  padding-bottom: 0px;
  border: 0px solid black;
  line-height: 2em;
  color: black;
  font-weight: bold;
  text-align: right;
  background-color: #000000;
}

a span, .tipp span {
  display: none;
  font: 11px arial,helvetica,sans-serif;
  color: #000066;
  }

a:hover span, .tipp:hover span {
        display: block;
        position: absolute;
        margin:0px 0px 0px -150px;
        top: 80px;
        left: 50%;
        background: #000000;
        border: 0px solid #000000;
        text-decoration: none;
        padding: 0px;
  }