.show_if_stange {
  display: none;
}
.show_if_platte {
  display: none;
}
#schnitt {
  width: 100%;
}
.input-laenge-breite {
  float: left;
  width: 50%;
}
@media only screen and (max-width:1024px) {
  .input-laenge-breite {
    width: 100%;
    margin-bottom: 10px;
  }
}