img
  max-width 100%
  &.lazyload:not(.placeholder)
    transition opacity .5s ease-out 0s
    &:not(.loaded)
      opacity: 0
    &.loaded
      opacity: 1
    if hexo-config('plugins.lazyload.blurIn') == true
      transition filter .25s ease-out 0s
      &:not(.loaded)
        filter blur(8px)
      &.loaded
        filter none