@media (min-width: 768px) {
  .main-header h1 {
    font-size: 2rem;
  }
  .grid-wrapper {
    grid-template-columns: repeat(2, 30rem);
  }
  .heading-of-section {
    font-size: 2rem;
  }
  .description {
    font-size: 1.6rem;
  }
}