.blur-up-init img.blur-up {
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  filter: blur(var(--blur-up-radius, 1.4rem));
  transition: filter var(--blur-up-duration, 0.5s) ease-out;
  will-change: filter;
}

.blur-up-init img.blur-up.blur-up--loaded {
  filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
  .blur-up-init img.blur-up {
    transition: none;
  }
}