@media (min-width: 481px) and (max-width: 767px) {
  .field--name-webform {
    font-size: 75%;
  }
}

@media (min-width: 768px){
  input.form-text,
  input.form-email,
  .form-type-textarea {
    width: 100%;
  }
  .form-item-nome,
  .form-item-cognome,
  /*.form-item-email,*/
  .form-type-email,
  .form-type-email-2,
  .form-item-telefono,
  .form-item-indirizzo-postale,
  .form-item-cap,
  .form-item-comune,
  .form-item-provincia {
    float: left;
    width: 50%;
    padding: 0 10px;
  }
  .webform-email-confirm--wrapper {
    clear: both;
  }
}