flexbox_generated-flex-ref.html

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<!DOCTYPE html>

<title>flexbox | flexcontainer via generated content</title>

<link rel="author" href="http://opera.com" title="Opera Software">

<style>

div {

	background: #3366cc;

	border: 1px solid black;

div::after {

	content: "xxx";

	background: yellow;

	margin: 1em;

	width: 200px;

	height: 2em;

	display: block;

</style>

<div>

</div>