.reihe {
  clear: both;
  padding: 2px 0px;
}

.label {
  float: left;
  width: 100px;
  text-align: right;
  padding-top: 3px;
  padding-right: 5px;
  font-weight: bold;
}

.feld {
  float: right;
  width: 330px;
  text-align: left;
} 

.knopf {
  clear: both;
  text-align: center;
  padding-top: 15px;
  padding-bottom: 30px;
  font-weight: bold;
}

.input{
  width: 260px;
  font-size: 1em;
}