body {
  font-family: Helvetica, Arial, sans-serif;
}

h1 {
  font-size: 4em;
  margin: 20px 0 10px;
  text-align: center;
}

h2 {
  font-size: 2em;
  margin: 10px 0 30px;
  text-align: center;
}

p {
  font-size: 1.2em;
  line-height: 1.3em;
}

pre {
  font-size: 1.2em;
  margin-left: 40px;
}

.content {
  margin: 0 auto;
  width: 800px;
}

.log-output {
  background: #e8e8e8;
  height: 200px;
  overflow: auto;
}

.log-output pre {
  margin: 0;
}

footer {
  font-size: 0.9em;
  font-style: italic;
  margin: 50px 0 10px;
  text-align: center;
}