<div class="outline">
  <div class="box box--positive">
    <pre>positive</pre>
  </div>
</div>

<div class="outline">
  <div class="box box--negative">
    <pre>negative</pre>
  </div>
</div>

body {
  padding: 40px 0;
}

.box {
  width: 10rem;
  height: 10rem;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: Silver;
  position: relative;
}

.box--positive {
  top: 50px;
}

.box--negative {
  top: -50px;
}

.outline {
  display: inline-block;
  border: 2px dashed black;
  margin: 40px 0 0 40px;
}