html, body {
  margin: 0;
  padding: 0;
}

div.page {
  margin: 0 auto;
  padding: 0;
  max-width: 640px;
  word-wrap: break-word;
}

h1 {
  color: #404040;
  font-size: 24px;
  line-height: 32px;
}

h2, h3, h4, p, pre, ul {
  color: #404040;
  font-size: 12px;
  line-height: 16px;
  text-align: justify;
}

pre, code {
  font-family: monospace;
}

h1 {
  text-align: center;
}

h1, h2 {
  margin: 16px 0;
}

h3 {
  margin: 16px 0 16px 16px;
}

h4 {
  margin: 16px 0 16px 32px;
}

p, pre, ul {
  margin: 16px 0 16px 64px;
}