header, section, footer { display: block; }
body { margin: 0 auto;
       width: 40em;
       font-family: "Palatino Linotype",
                    Palatino,
                    "URW Palladio L",
                    "Book Antiqua",
                    Baskerville,
                    "Bitstream Charter",
                    serif;
       background: #4D5D53;
       color: white; }
a { color: white; }
header h1 a { text-decoration: none; }
section h1 { font-size: large; }
footer h1 { display: none; }
hr { border: 1px dotted grey; }