CSS needed for padding-bottom hack

padding-bottom-hack.css

/*
 * CSS needed for https://gist.github.com/davidpaulsson/10101172
 */

img {
  max-width: 100%;
  height: auto;
}

/* Non-fluid images if you specify `width` and/or `height` attributes. */
img[width],
img[height]{
  max-width: none;
}

.lazy {
  display: none;
}

.image-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background-color: black;
}