.mini-preview-anchor {
  display: inline-block;
  position: relative;
  white-space: nowrap;
  width: 100%;
}

.mini-preview-wrapper {
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  position: sticky;
  overflow: hidden;
  z-index: -1;
  opacity: 0;
  transition: z-index steps(1) 0.3s, opacity 0.3s;
}

.mini-preview-anchor .mini-preview-wrapper {
  z-index: 2;
  opacity: 1;
  transition: opacity 0.3s;
}

.mini-preview-loading,
.mini-preview-cover {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
}

.mini-preview-loading {
  display: table;
  height: 100%;
  width: 100%;
  font-size: 1.25rem;
  text-align: center;
  color: #55595c;
  background-color: #55595c;
}

.mini-preview-loading::before {
  content: "Loading...";
  display: table-cell;
  text-align: center;
  vertical-align: middle;
}

.mini-preview-cover {
  background-color: rgba(0, 0, 0, 0); /* IE fix */
}

.mini-preview-frame {
  border: none;
  -webkit-transform-origin: 0 0;
  transform-origin: 0 0;
}