.blog-articles {
  display: grid;
  grid-gap: 3rem;
}

@media screen and (min-width: 750px) {
  .blog-articles {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }

  .blog-articles.featured {
    grid-template-columns: 1fr 1fr 1fr;
  }
  
}