Module:Item/Sprite/styles.css

/* Module:Item/Sprite/styles.css */
.growsprite,
.growsprite img {
  image-rendering: pixelated;
}
.growsprite img {
  filter: drop-shadow(-2px 2px 0 rgba(0, 0, 0, 0.4));
}
.growsprite a {
  display: none;
}

@keyframes shiftyEffect {
  from {filter: brightness(0.5) sepia() saturate(4) hue-rotate(0deg);}
  to {filter: brightness(0.5) sepia() saturate(4) hue-rotate(360deg);}
}
.growsprite.shifty {
  animation: shiftyEffect 10s linear infinite;
}