/* The tiny preview supplies softness; filtering the img also spreads its edges and shadow. */
img[data-preview] { color: transparent; font-size: 0; }
img[data-preview].is-preview-loading,
img[data-preview].is-preview-error {
  background-image: var(--image-preview);
  background-size: var(--image-preview-fit, contain);
  background-position: var(--image-preview-position, 50% 50%);
  background-repeat: no-repeat;
}