html,
body {
  overflow-x: clip;
}

.topbar-nav a:focus-visible,
.mail-link:focus-visible {
  outline: 3px solid rgba(255, 255, 255, .32);
  outline-offset: 3px;
}

@media (max-width: 680px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr);
  }

  .topbar-nav a {
    white-space: normal;
  }
}