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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Reference File</title>
<link rel="author" title="Bert Bos" href="mailto:bert@w3.org">
<style>
div {border-width: 1em; border-style: solid; padding: 0.5em}
p {font-size: 2em; border-width: 0.5em; border-style: solid}
</style>
<div><p>All borders are the same thickness.</div>