h1 {
 text-align: center;
}

fieldset {
  float: left;
  width: 60%;
  margin-left: 20%;
}

input, select { 
  float: left;
}

label {
  float: left;
  margin-left: 1em;
  margin-right: 1em;
}

button {
  float: left;
  clear: left;
  margin-left: 60%;
  margin-top: 1em;
}