form.label {
  display: inline-block;
}

label.error {
  display: block;
  position: relative;
  left: 300px;
  bottom: 21px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  color: red;
}

.error:before {
  font-family: 'FontAwesome';
  content: '\f00d';
}