CodePen Embed - OBorKY

<div class="block outline">
  <code>
    border: 8px solid #888;<br>
    <strong>outline: 16px solid #444;</strong>
  </code>
</div>

<div class="block">
  <code>
    border: 8px solid #888;<br>
  </code>
</div>

.block {
  padding: 36px;
  text-align: center;
  border: 8px solid #888;
  
  background-color: #eee;
  width: 300px;
  margin: 36px;
  font-size: 18px;
}
.outline{
  outline: 16px solid #444;
}

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