@media screen and (min-width: 800px) {
  body {
    background: fixed no-repeat left top;
    margin-left: 200px;
    margin-right: 5px;
    background-image: url(images/guide.gif)
  }
}
h1 { text-align: center; }
h2 { background-color: black; color: white; padding: 8px; text-align: center; }
div.intro { font-weight: bold }