fieldset {
    width: 215px;
    margin: 5px;
}

div {
  width: 200px;
  margin-top: 0px;
  margin-bottom: 5px;
  margin-right: 10px;
  margin-left: 5px;
}

#Power_Minimum_Id, #Power_Maximum_Id, #Power_Step_Id , #Gesamtgewicht_Id, #Rollwiderstand_Id, #Steigung_Id, #Fläche_Id {
  margin-right: 5px;
  width: 4em;
}

#ritzel_id, #kettenrad_id {
  font: 25px arial, sans-serif;
  height: 30px;	
  width: 2em;
  margin-right: 5px;
}