.ja{
  background-image: url(RSC/ja_out.gif);
  background-color: transparent;
  border: none;
  width: 59px;
  height: 30px;
}

.nein{
  background-image: url(RSC/nein_out.gif);
  background-color: transparent;
  border: none;
  width: 59px;
  height: 30px;
}