fieldset {
  border: none;
}

section {
  background-color: #eee;
  width: 245px;
  margin: 0 auto;
  padding-top: 10px;

  input {
    -webkit-appearance: textfield;
  }

  button {
    float: right;
  }
}

fieldset {
  border: none;
}

section {
  background-color: #eee;
  width: 245px;
  margin: 0 auto;
  padding-top: 10px;

  input {
    width: 213px;
    -webkit-appearance: textfield;
  }

  button {
    float: right;
  }
}

Fix width of input box
Fix width of input box
