#main-nav .social {
  display: none;
}
#main-nav .container {
  grid-template-columns: 1fr;
}
#main-nav .logo,
#main-nav ul {
  justify-self: center;
  grid-gap: 1.2rem;
  margin-top: 0.5rem;
}
#main-nav ul li a {
  padding: 0.5rem;
}
#main-nav ul {
  margin-top: 1rem;
}

#home-articles .article-container {
  grid-template-columns: repeat(2, 1fr);
}
#home-articles .article-container > *:first-child,
#home-articles .article-container > *:last-child {
  grid-template-columns: 1fr;
  grid-column: 1;
}

@media screen and (max-width: 600px) {
  #showcase .showcase-container,
  #home-articles .article-container,
  #main-footer .footer-container {
    grid-template-columns: 1fr;
  }
  #main-footer .footer-container > *:last-child {
    grid-column: 1;
  }
  #main-footer .footer-container > *:first-child,
  #main-footer .footer-container > *:nth-child(2) {
    border-bottom: 2px solid #444;
    padding-bottom: 1rem;
  }
  .page-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .page-container > *:first-child {
    grid-row: 1;
  }
  .l-heading {
    font-size: 2rem;
  }
  .m-heading {
    font-size: 1rem;
  }
}

@media (max-width: 800px) {
  #main-nav .social {
    display: none;
  }
}