html, body {
  height: 100%;
  width: 100%;
}

.ding{
  height: 100px;
  width: 600px;
}

input{

  font-size: 20px;
}

.farben{
  width: 66px;
  margin: 0px;
  padding: 15px;
  border: 0px;
  text-align: center;
}

span{
  background-color: rgb(0, 200, 100);
  display: inline-block;
  font-size: 20px;
  text-align: center;
  width: 66px;
  padding: 15px;
  margin: 0px;
}