.udhr { width: 100%; }
.udhr__text {
  margin: 0;
  opacity: 1;
  transition: opacity var(--udhr-fade, 800ms) ease-in-out;
  will-change: opacity;
}
.udhr__text.udhr--hidden { opacity: 0; }
@media (prefers-reduced-motion: reduce) {
  .udhr__text { transition: none; }
}