body {
  font-family: "Helvetica Neue", Helvetica, sans-serif;
  margin: 1em auto 4em auto;
  position: relative;
  width: 1200px;
}

h1 {
  font-size: 48px;
  font-weight: 300;
  letter-spacing: -2px;
  margin: .3em 0 .1em 0;
}

h2 {
  margin-top: 2em;
}

h1, h2 {
  text-rendering: optimizeLegibility;
}

h2 a {
  color: #ccc;
  left: -20px;
  position: absolute;
  width: 740px;
}

footer {
  font-size: small;
  margin-top: 8em;
}

aside {
  font-size: small;
  left: 780px;
  position: absolute;
  text-align: right;
  width: 180px;
}

p {
  line-height: 1.5em;
  width: 720px;
}

blockquote {
  width: 640px;
}

li {
  width: 680px;
}

a {
  color: steelblue;
}

a:not(:hover) {
  text-decoration: none;
}

pre, code, textarea {
  font-family: "Menlo", monospace;
  line-height: normal;
}

textarea {
  font-size: 100%;
}

pre {
  border-left: solid 2px #ccc;
  padding-left: 18px;
  margin: 2em 0 2em -20px;
  width: 960px;
  overflow-x: auto;
}

.html .value,
.javascript .string,
.javascript .regexp {
  color: #756bb1;
}

.html .tag,
.css .tag,
.javascript .keyword {
  color: #3182bd;
}

aside,
.comment {
  color: #636363;
}

.html .doctype,
.javascript .number {
  color: #31a354;
}

.html .attribute,
.css .attribute,
.javascript .class,
.javascript .special {
  color: #e6550d;
}

iframe {
  width: 960px;
  height: 500px;
  border: 1px solid #DEDEDE;
}