<div class="block">
	<code>
		border: 8px solid #888;<br>
		Властивість <strong>outline-color</strong> за замовчуванням 
	</code>
</div>
<div class="block outline">
	<code>
		border: 8px solid #888;<br>
		<strong>outline-color: red;</strong>
	</code>
</div>
.block {
	padding: 36px;
	text-align: center;
	border: 8px solid #888;
	outline-width: 16px;
	outline-style: solid;
	background-color: #eee;
	width: 300px;
	margin: 36px;
	font-size: 18px;
}
.outline{
  	outline-color: red;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.