@layer theme-custom {
/* Keep the site navigation available while scrolling. */
div.content > nav.navbar {
  position: sticky !important;
  top: 0 !important;
  z-index: 999 !important;
  background-color: #fff !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .08);
}

}