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;
}

/**
 * <hr /> separator style
 *
 * @author Chris Coyier @chriscoyier
 * @link http://jsfiddle.net/chriscoyier/GaEzp/35/
 *
 * @author Maxime Thirouin @MoOx maxime.thirouin@gmail.com
 */
hr {
  margin: 5em 0;
}

.ui-separator-gradient {
  border: 0;
  height: 1px;
  background: black;
  background: -webkit-gradient(linear, 0% 50%, 100% 50%, color-stop(0%, rgba(0, 0, 0, 0)), color-stop(50%, rgba(0, 0, 0, 0.75)), color-stop(100%, rgba(0, 0, 0, 0)));
  background: -webkit-linear-gradient(left, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
  background: -moz-linear-gradient(left, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
  background: -o-linear-gradient(left, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
  background: -ms-linear-gradient(left, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
  background: linear-gradient(left, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
}

.ui-separator-gradient-2 {
  border: 0;
  height: 1px;
  background: #333333;
  background: -webkit-gradient(linear, 0% 50%, 100% 50%, color-stop(0%, #cccccc), color-stop(50%, #333333), color-stop(100%, #cccccc));
  background: -webkit-linear-gradient(left, #cccccc, #333333, #cccccc);
  background: -moz-linear-gradient(left, #cccccc, #333333, #cccccc);
  background: -o-linear-gradient(left, #cccccc, #333333, #cccccc);
  background: -ms-linear-gradient(left, #cccccc, #333333, #cccccc);
  background: linear-gradient(left, #cccccc, #333333, #cccccc);
}

.ui-separator-gradient-3 {
  border: 0;
  height: 1px;
  background: #cccccc;
  background: -webkit-gradient(linear, 0% 50%, 100% 50%, color-stop(0%, #333333), color-stop(50%, #cccccc), color-stop(100%, #333333));
  background: -webkit-linear-gradient(left, #333333, #cccccc, #333333);
  background: -moz-linear-gradient(left, #333333, #cccccc, #333333);
  background: -o-linear-gradient(left, #333333, #cccccc, #333333);
  background: -ms-linear-gradient(left, #333333, #cccccc, #333333);
  background: linear-gradient(left, #333333, #cccccc, #333333);
}

.ui-separator-dashed {
  border: 0;
  border-bottom: 1px dashed #cccccc;
  background: #999999;
}

.ui-separator-dashed-2 {
  border: 0;
  border-bottom: 2px dashed rgba(0, 0, 0, 0.7);
  background: white;
}

.ui-separator-dropshadow {
  border: 0;
  height: 6px;
  box-shadow: inset 0 6px 6px -6px black;
}

.ui-separator-dropshadow-2 {
  border: 0;
  height: 0.8em;
  box-shadow: inset 0 0.8em 0.8em -0.8em #cccccc;
}

.ui-separator-shadow {
  border: 0;
  height: 0;
  box-shadow: 0 0 10px 1px black;
}

.ui-separator-shadow-2 {
  border: 0;
  height: 0;
  box-shadow: 0 0 0.4em 0.1em #aaaaaa;
}