html {
  padding: 1em;
  background: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #dddddd), color-stop(100%, #ffffff)) no-repeat;
  background: -webkit-linear-gradient(#dddddd, #ffffff) no-repeat;
  background: -moz-linear-gradient(#dddddd, #ffffff) no-repeat;
  background: -o-linear-gradient(#dddddd, #ffffff) no-repeat;
  background: -ms-linear-gradient(#dddddd, #ffffff) no-repeat;
  background: linear-gradient(#dddddd, #ffffff) no-repeat;
}

h1 {
  font-size: 2em;
  margin-bottom: 1em;
}

h2 {
  font-size: 1.4em;
  margin-bottom: .6em;
}

.doc {
  background: #fff;
  border: #ddd;
  padding: 1em;
  color: #aaa;
  margin: 1em;
  font-style: italic;
}
.doc a {
  color: #999;
}

/**
 * Menu dropdown helper
 *
 * @author Maxime Thirouin @MoOx maxime.thirouin@gmail.com
*/
nav {
  z-index: 3;
}
nav ul {
  z-index: 4;
  list-style-position: outside;
}
nav ul li {
  position: relative;
  display: inline-block;
  *display: inline;
}
nav ul a {
  display: inline-block;
}
nav ul ul {
  position: absolute;
  z-index: 5;
  display: none;
}
.no-js nav li:hover > ul {
  display: block;
}
nav ul {
  padding: 0;
  background: #ccc;
  border: 1px solid #ddd;
}
nav ul li {
  border: 1px solid #aaa;
}