body {
background-color:#C0C0C0;
text-align: center;
font-family: Verdana, Geneva, Arial, helvetica, sans-serif;
}

div.mitte {
  top: 50%;
  left: 50%;
  width: 800px;
  height: 600px;
  margin-top: -300px;     /* halbe höhe des DIV´s */
  margin-left: -400px;     /* halbe breite des DIV`s */
  position: absolute;
}



td {
	font-family: Verdana, Geneva, Arial, helvetica, sans-serif;
}

th {
	font-family: Verdana, Geneva, Arial, helvetica, sans-serif;
}