/* fade image in after load */
.lazyload,
.lazyloading {
  opacity: 0;
}
.lazyloaded {
  opacity: 1;
  transition: opacity 300ms;
}
/* fade image in while loading and show a spinner as background image (good for progressive images) */
/* .lazyloading {
  opacity: 1;
  transition: opacity 300ms;
  background: #f7f7f7 url(loader.gif) no-repeat center;
} */