View source for Template:Move/styles.css

/* Move icons are 30-36px sprites blown up to 120px by the gallery. Nearest-
   neighbour scaling keeps them crisp instead of smearing them. */
.gallery .thumb img {
	image-rendering: pixelated;
}

/* Packed galleries only space thumbs by their own 2px margin, which reads as
   almost no gap once the icons are transparent. */
.gallery li.gallerybox {
	margin: 0 8px;
}