body {
  margin: 0;
  font-family: sans-serif;
  color: black;
}
:link { color: #00C; background: transparent }
:visited { color: #609; background: transparent }
a:active { color: #C00; background: transparent }

a:link img, a:visited img { border-style: none } 


h1, h2, h3, h4, h5, h6 { text-align: left }
h1, h2, h3 { color: #aa4400; background: white }
h1 { font: 170% sans-serif }
h2 { font: 140% sans-serif }
h3 { font: 120% sans-serif }
h4 { font: bold 100% sans-serif }
h5 { font: italic 100% sans-serif }
h6 { font: small-caps 100% sans-serif }

pre { margin-left: 2em;
      border: 1;
      padding: 4px;
      background: #ececec; }
pre, code { font-family: monospace } 


