.previewer {
  position: fixed;
  border: 5px solid #dddddd;
  z-index: 1001;
  background: url('../images/image-background.png');
  display: table;
}
.previewer-holder {
  display: table-cell;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
  vertical-align: middle;
  text-align: center;
}
.previewer-image {
  width: 100%;
  max-width: 100%;
  display: block;
}
.previewer-image.preview-load {
  width: 68px;
  height: 68px;
  display: inline-block;
}