div.oben {
  position: fixed;
  top: 0;
  padding-top: 6px;
  padding-right: 10px;
  padding-bottom: 6px;
  padding-left: 10px;
  width: 100%;
  background-color: #cae8ca;
}
div.unten {
  position: fixed;
  bottom: 0;
  padding-top: 6px;
  padding-right: 10px;
  padding-bottom: 6px;
  padding-left: 10px;
  width: 100%;
  background-color: #cae8ca;
}