/* Only the active full-screen layer may own vertical scrolling. */
html.intro-active,
html.staff-portal-open,
html.contact-modal-open,
html.legal-modal-open {
  overflow: hidden !important;
  overscroll-behavior: none;
}

body.intro-active,
body.staff-portal-open,
body.contact-modal-open,
body.legal-modal-open {
  overflow: hidden !important;
  overscroll-behavior: none;
}

/* The service portal deliberately retains one internal scrollbar for its data. */
.staff-portal {
  overflow-x: hidden !important;
  overflow-y: hidden !important;
  overscroll-behavior: contain;
}