:root[data-background-motion=on] .portal-atmosphere::before {
  animation: glass-drift var(--drift-duration,18s) ease-in-out var(--drift-delay,-4s) infinite alternate !important;
}
:root[data-background-motion=on] .portal-atmosphere::after {
  display: block !important;
  animation: glass-glimmer var(--glimmer-duration,8s) ease-in-out -3s infinite alternate !important;
}
:root[data-background-motion] .portal-atmosphere.is-paused::before,
:root[data-background-motion] .portal-atmosphere.is-paused::after { animation-play-state: paused !important; }