The transition properties allow you to customize the effect used to reveal the image once it has been loaded.

• transition: determines how the image will be revealed once loaded (default: fade). The possible values are:
  - fade, for a fade in effect
  - zoom, for a zoom effect
  - fade+zoom, for both fade and zoom effects
  - or none, for no transition
• transitionDelay: transition delay of the transition effect (default: 0ms).
• transitionDuration: duration of the transition effect (default: 400ms).
• transitionTimingFunction: CSS timing function applied to the transition effect (default: ease).