body {
  margin: 0;
  font-family: Verdana, sans-serif;
  line-height: 1.35;
  background-color: #ffffff;
}
.js-code {
  -webkit-text-size-adjust: 100%;
  font-family: "Andale Mono", "Courier New", monospace;
  color: #993300;
  text-align: left;
  background-color: #f7ffff;
  border: solid 1px #aaaaaa;
}
.preface {
  -webkit-text-size-adjust: 100%;
  text-align: left;
}
.preface-js-code {
  -webkit-text-size-adjust: 100%;
  text-align: left;
}