/* Only old mobile surfaces far outside the reading area may skip rendering.
   Auto keeps keyboard navigation, find-in-page and assistive access available. */
@media(max-width:767px) {
  [data-case-retained="sleeping"],
  [data-case-retained="sleeping"] *,
  [data-case-retained="sleeping"] *::before,
  [data-case-retained="sleeping"] *::after {
    animation-play-state:paused !important;
  }
  @supports(content-visibility:auto) {
    [data-case-retained="sleeping"] {
      content-visibility:auto;
      contain-intrinsic-block-size:var(--case-retained-height, 0px);
    }
  }
}