@media (min-width: 768px) {
  header nav ul > li > a,
  .site-header nav ul > li > a,
  .primary-nav a,
  .topnav a {
    font-size: 1.25rem;   /* ~20px */
    line-height: 1.4;
    font-weight: 700;      /* bold */
    font-family: "BentonSans", "Helvetica Neue", Arial, sans-serif; /* use IU font you already load */
    letter-spacing: .02em; /* subtle extra emphasis (optional) */
  }

  /* nicer affordance */
  header nav a:hover,
  header nav a:focus {
    text-decoration: underline;
  }

  /* highlight current page if markup uses aria-current or an .active li */
  header nav a[aria-current="page"],
  header nav li.active > a {
    font-weight: 700;
    text-decoration: underline;
  }
}