label {
  float: left;
  width: 10em;
  text-align: right;
  clear: left;
  margin-right: .5em;
  margin-bottom: .5em;
}

input, select {
  float: left;
  width: 10em;
}

button {
  display: block;
  clear: both;
  margin-left: auto;
  margin-right: auto;
  margin-top: .5em;
}

dt {
  font-weight: bold;
  float: left;
  clear: left;
  width: 7em;
}