.page__content .contact-us-form .form__group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

/* media queries */

@media only screen and (min-width: 992px) {
  .page__content .contact-us-form .form__group {
    gap: 2rem;
  }

  .page__content .contact-us-form .form__group:is(.sender--info) {
    grid-template-columns: repeat(3, 1fr);
  }

  .page__content .contact-us-form .form__group:is(.sender--content) {
    grid-template-columns: repeat(2, 1fr);
  }
}