.responsive-heading {
  font-size: 2rem;
  text-align: center;
  font-weight: 700;
}

@media (min-width: 576px) {
  .responsive-heading {
    font-size: 2.5rem;
  }
}

@media (min-width: 768px) {
  .responsive-heading {
    font-size: 3rem;
  }
    .carousel-caption {
    bottom: 2%;
    text-align: center;
  }
}

@media (min-width: 992px) {
  .responsive-heading {
    font-size: 3.5rem;
  }
}