@media (min-width: 641px) {
  .topbar .nav-shell,
  .topbar .article-nav {
    position: relative;
  }

  .topbar .nav-shell > .brand,
  .topbar .article-nav > .brand {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .topbar .nav-shell .main-nav,
  .topbar .article-nav .article-menu {
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .topbar .nav-shell .nav-tools,
  .topbar .article-nav .article-actions {
    margin-left: auto;
  }
}