/* wn-optimizer lazy.css */
img.lazy {
  filter: blur(6px);
  transition: filter .35s ease, opacity .35s ease;
  opacity: 0.98;
  background: #f4f4f4;
  min-height: 20px;
}
img.lazy-loaded {
  filter: blur(0);
  opacity: 1;
}
.lazy-bg {
  background-size: cover;
  background-position: center;
  min-height: 220px;
  background-color: #f4f4f4;
}