<!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>