/* Variables */
@thumbnail-width: 1440px;
@thumbnail-height: 900px;
@thumbnail-zoom: 0.25;

/* Basic CSS Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Demo-specific styling */
body {
  text-align: center;
  margin-top: 50px;
}

/* This container helps the thumbnail behave as if it were an unscaled IMG element */
.thumbnail-container {
  width: calc(@thumbnail-width * @thumbnail-zoom);
  height: calc(@thumbnail-height * @thumbnail-zoom);
  display: inline-block;
  overflow: hidden;
  position: relative;
  background: #f9f9f9;
}

/* Image Icon for the Background */
.thumbnail-container::before {
  position: absolute;
  left: ~"calc(50% - 16px)";
  top: ~"calc(50% - 18px)";
  opacity: 0.2;
  display: block;
  -ms-zoom: 2;
  -o-transform: scale(2);
  -moz-transform: scale(2);
  -webkit-transform: scale(2);
  content: url("data:image/svg+xml;base64,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");
}

/* This is a masking container for the zoomed iframe element */
.thumbnail {
  -ms-zoom: @thumbnail-zoom;
  -moz-transform: scale(@thumbnail-zoom);
  -moz-transform-origin: 0 0;
  -o-transform: scale(@thumbnail-zoom);
  -o-transform-origin: 0 0;
  -webkit-transform: scale(@thumbnail-zoom);
  -webkit-transform-origin: 0 0;
}

/* This is our screen sizing */
.thumbnail, .thumbnail iframe {
  width: @thumbnail-width;
  height: @thumbnail-height;
}

/* This facilitates the fade-in transition instead of flicker. It also helps us maintain the illusion that this is an image, since some webpages will have a preloading animation or wait for some images to download */
.thumbnail iframe {
  opacity: 0;
  transition: all 300ms ease-in-out;
}

/* This pseudo element masks the iframe, so that mouse wheel scrolling and clicking do not affect the simulated "screenshot" */
.thumbnail:after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}