html::after {
  position: fixed;
  inset: 0;
  z-index: 2147483647;
  background: #fff;
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 420ms cubic-bezier(.4, 0, .2, 1);
}

html.page-loading::after,
html.page-leaving::after {
  opacity: 1;
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  html::after {
    transition-duration: 1ms;
  }
}