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;
}

/**
 * Drop shadow mixins from Nicolas Gallagher demo
 * 
 * @thanks Nicolas Gallagher @necolas, @simurai, @cameronmoll, @matthamm
 * 
 * @link http://nicolasgallagher.com/css-drop-shadows-without-images/demo/
 */
/**
 * Drop shadow curled
 *
 * @thanks Nicolas Gallagher @necolas
 * @link http://nicolasgallagher.com/css-drop-shadows-without-images/demo/
 */
/**
 * Drop shadow curved
 *
 * @thanks Nicolas Gallagher @necolas
 * @link http://nicolasgallagher.com/css-drop-shadows-without-images/demo/
 */
/**
 * Drop shadow flying
 *
 * @thanks Geoffrey Crofte @geoffrey_crofte
 * @link http://www.creativejuiz.fr/trytotry/css3-box-shadow-after-before/
 */
/**
 * Drop shadow w/ lifted corners
 *
 * @thanks Nicolas Gallagher @necolas
 * @link http://nicolasgallagher.com/css-drop-shadows-without-images/demo/
 */
/**
 * Drop shadow w/ perspective
 *
 * @thanks Nicolas Gallagher @necolas
 * @link http://nicolasgallagher.com/css-drop-shadows-without-images/demo/
 */
/**
 * Drop shadow raised
 *
 * @thanks Nicolas Gallagher @necolas
 * @link http://nicolasgallagher.com/css-drop-shadows-without-images/demo/
 */
/**
 * Drop shadow rules required for transform on drop shadow
 * 
 * /!\ This is required if you want to apply some transform on the element using drop shadow
 *
 * @thanks Nicolas Gallagher @necolas
 * @link http://nicolasgallagher.com/css-drop-shadows-without-images/demo/
 */
/**
 * Shadow along the top edge of the browser viewport
 * 
 * @link http://playground.genelocklin.com/depth/
 */
div {
  width: 18em;
  height: 10em;
  margin: 5em auto;
  background: #eeeeee;
  border: 1px solid #ccc;
}
div p {
  padding: 3em 0;
  text-align: center;
}

a.more {
  display: block;
  width: 100px;
  margin: -50px auto 0;
}

/*
 * This is required is you want to apply some transform on the element using drop shadow
 */
.drop-shadow-curved-vt,
.drop-shadow-lifted-corners,
.drop-shadow-perspective {
  position: relative;
}
.drop-shadow-curved-vt > :last-child::before,
.drop-shadow-lifted-corners > :last-child::before,
.drop-shadow-perspective > :last-child::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: #eeeeee;
}
.drop-shadow-curved-vt:hover,
.drop-shadow-lifted-corners:hover,
.drop-shadow-perspective:hover {
  -moz-transform: rotate(3deg);
  -webkit-transform: rotate(3deg);
  -o-transform: rotate(3deg);
  -ms-transform: rotate(3deg);
  transform: rotate(3deg);
}

.drop-shadow-curled-corners {
  position: relative;
  -moz-border-radius: 0 0 120px 120px/0 0 6px 6px;
  -webkit-border-radius: 0 0 120px 120px/0 0 6px 6px;
  -o-border-radius: 0 0 120px 120px/0 0 6px 6px;
  -ms-border-radius: 0 0 120px 120px/0 0 6px 6px;
  -khtml-border-radius: 0 0 120px 120px/0 0 6px 6px;
  border-radius: 0 0 120px 120px/0 0 6px 6px;
}
.drop-shadow-curled-corners:before, .drop-shadow-curled-corners:after {
  content: "";
  position: absolute;
  z-index: -2;
  bottom: 12px;
  width: 50%;
  height: 55%;
  -moz-box-shadow: 0 8px 12px rgba(0, 0, 0, 0.5);
  -webkit-box-shadow: 0 8px 12px rgba(0, 0, 0, 0.5);
  -o-box-shadow: 0 8px 12px rgba(0, 0, 0, 0.5);
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.5);
}
.drop-shadow-curled-corners:before {
  left: 10px;
  -moz-transform: skew(-8deg) rotate(-3deg);
  -webkit-transform: skew(-8deg) rotate(-3deg);
  -o-transform: skew(-8deg) rotate(-3deg);
  -ms-transform: skew(-8deg) rotate(-3deg);
  transform: skew(-8deg) rotate(-3deg);
}
.drop-shadow-curled-corners:after {
  right: 10px;
  -moz-transform: skew(8deg) rotate(3deg);
  -webkit-transform: skew(8deg) rotate(3deg);
  -o-transform: skew(8deg) rotate(3deg);
  -ms-transform: skew(8deg) rotate(3deg);
  transform: skew(8deg) rotate(3deg);
}

.drop-shadow-curved-vt {
  position: relative;
}
.drop-shadow-curved-vt:before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 10px;
  bottom: 10px;
  left: 0;
  right: 0;
  -moz-box-shadow: 0 0 15px rgba(0, 0, 0, 0.6);
  -webkit-box-shadow: 0 0 15px rgba(0, 0, 0, 0.6);
  -o-box-shadow: 0 0 15px rgba(0, 0, 0, 0.6);
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.6);
  -moz-border-radius: 0.1;
  -webkit-border-radius: 0.1;
  -o-border-radius: 0.1;
  -ms-border-radius: 0.1;
  -khtml-border-radius: 0.1;
  border-radius: 0.1;
}

/*
.drop-shadow-flying
{
    @include drop-shadow-flying;
}
*/
.drop-shadow-lifted-corners {
  position: relative;
}
.drop-shadow-lifted-corners::before, .drop-shadow-lifted-corners::after {
  content: "";
  position: absolute;
  z-index: -2;
  bottom: 15px;
  width: 50%;
  height: 20%;
  -moz-box-shadow: 0 15px 10px rgba(0, 0, 0, 0.7);
  -webkit-box-shadow: 0 15px 10px rgba(0, 0, 0, 0.7);
  -o-box-shadow: 0 15px 10px rgba(0, 0, 0, 0.7);
  box-shadow: 0 15px 10px rgba(0, 0, 0, 0.7);
}
.drop-shadow-lifted-corners::before {
  left: 10px;
  -moz-transform: rotate(-4deg);
  -webkit-transform: rotate(-4deg);
  -o-transform: rotate(-4deg);
  -ms-transform: rotate(-4deg);
  transform: rotate(-4deg);
}
.drop-shadow-lifted-corners::after {
  right: 10px;
  -moz-transform: rotate(4deg);
  -webkit-transform: rotate(4deg);
  -o-transform: rotate(4deg);
  -ms-transform: rotate(4deg);
  transform: rotate(4deg);
}

.drop-shadow-perspective {
  position: relative;
}
.drop-shadow-perspective:before {
  content: "";
  position: absolute;
  z-index: -2;
  left: 80px;
  bottom: 5px;
  width: 50%;
  height: 35%;
  -moz-box-shadow: -80px 0 8px rgba(0, 0, 0, 0.4);
  -webkit-box-shadow: -80px 0 8px rgba(0, 0, 0, 0.4);
  -o-box-shadow: -80px 0 8px rgba(0, 0, 0, 0.4);
  box-shadow: -80px 0 8px rgba(0, 0, 0, 0.4);
  -moz-transform: skew(50deg);
  -webkit-transform: skew(50deg);
  -o-transform: skew(50deg);
  -ms-transform: skew(50deg);
  transform: skew(50deg);
  -moz-transform-origin: 0 100% 50%;
  -webkit-transform-origin: 0 100% 50%;
  -o-transform-origin: 0 100% 50%;
  -ms-transform-origin: 0 100% 50%;
  transform-origin: 0 100% 50%;
}

.drop-shadow-raised {
  -moz-box-shadow: 0 15px 10px -10px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3);
  -webkit-box-shadow: 0 15px 10px -10px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3);
  -o-box-shadow: 0 15px 10px -10px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3);
  box-shadow: 0 15px 10px -10px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3);
}