CodePen Embed - CSS just border

<span class="border"></span>

.border {
	border: 20px solid;
	border-color: #f44 #00f #0f0 #000;
}

html,body {
	height: 100%;
	display: grid;
	place-content: center;
}

This Pen is owned by Tanim Mahbub on CodePen.

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