<div class="block">
	<code>
		border: 8px solid #888;<br>
		Властивість <strong>outline-width</strong> за замовчуванням
	</code>
</div>
<div class="block outline">
	<code>
		border: 8px solid #888;<br>
		<strong>outline-width: 50px; </strong>
	</code>
</div>

.block {
	padding: 36px;
	text-align: center;
	border: 8px solid #888;
	outline-style: solid;
	outline-color: red;
	background-color: #eee;
	width: 300px;
	margin: 66px;
	font-size: 18px;
}
.outline{
  outline-width: 30px;
}

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