/* Match the mobile showcase breakpoint, including hover and selected states. */
@media (max-width: 900px) {
  *,
  *::before,
  *::after {
    box-shadow: none !important;
    text-shadow: none !important;
  }

  /* The QQQ showcase previously used a shadow as its keyboard focus ring. */
  .thread-proof:focus-visible .thread-panel {
    outline: 2px solid #70d5f2;
    outline-offset: -3px;
  }
}