.inline
{
  display: inline-block;
}

.preview-window
{
  width: 15em;
  height: 10em;
  border: 1px solid black;
  position: relative;
  margin: 1em 2em 1em 0;
  background-color: rgb(238, 240, 242)
}

.preview-box
{
  width: 2em;
  height: 3em;
  position: absolute;
  border: 1px solid black;
  background-color: rgba(255, 255, 255, 0.5)
}