* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}
html {
  font-family: 'Source Sans Pro', sans-serif;
  line-height: 1.5;
  background: linear-gradient(to right, #dddddd, #ffffff, #eeeeee);
}
body {
  margin: 1em auto;
  max-width: 600px;
  position: relative;
}
h2 {
  margin-top: 0;
  margin-bottom: 0;
}
a {
  color: #000044;
}
code {
  white-space: pre;
  background: white;
  padding: 1em;
  display: block;
  margin: 1em 0;
}
var {
  font-family: monospace;
}
table {
  display: block;
  margin: 1em 0;
  background: white;
  border-collapse: collapse;
}
table td,
table th {
  padding: 4px;
  border: 1px solid #AAA;
}
aside {
  display: block;
  padding: 1em;
  margin: 1em;
  background: white;
  border: 1px solid #DDD;
  border-radius: 1em;
}
.instant {
  transition: all 0s !important;
  transition: -webkit-transform 0s !important;
  transition: transform 0s !important;
}
#backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -100;
  -webkit-transform: translateZ(-100px);
  transform: translateZ(-100px);
}
.menu {
  position: absolute;
  right: 0;
  width: 160px;
  -webkit-transform: translateY(20px) translateX(155px) perspective(600px) rotateY(30deg);
  transform: translateY(20px) translateX(155px) perspective(600px) rotateY(30deg);
  -webkit-transform-origin: -5px top;
  transform-origin: -5px top;
  opacity: .6;
}
.menu.ready {
  transition: -webkit-transform 0.8s;
  transition: transform .8s;
}
.menu:hover {
  -webkit-transform: translateY(20px) translateX(155px) perspective(600px);
  transform: translateY(20px) translateX(155px) perspective(600px);
  opacity: 1;
}
.menu ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}
.menu li:not(:first-child) {
  border-top: 1px solid #000000;
}
.menu a {
  color: #000000;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 2px;
}
.card {
  background: #F0F0F0;
  color: #212;
  border-top: 1px solid black;
  outline: 1px solid transparent;
}
.main {
  padding: 1em;
  margin: 0;
  -webkit-transform-origin: top right;
  transform-origin: top right;
  -webkit-transform: perspective(1000px) rotateY(0);
  transform: perspective(1000px) rotateY(0);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}
.main.ready {
  transition: -webkit-transform 0.8s;
  transition: transform .8s;
}
.menu:hover + .main {
  -webkit-transform: perspective(1000px) rotateY(-30deg);
  transform: perspective(1000px) rotateY(-30deg);
}
.main .header {
  padding: 1em;
  margin-bottom: 1em;
  background: #880088;
  color: white;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}
.main .header h1 {
  padding: 0;
  margin: 0;
  font-weight: normal;
}
.main .header h2 {
  font-size: 16px;
  font-weight: normal;
  margin: 0;
  padding: 0;
}
.main .content {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-transform: perspective(1000px) rotateY(0);
  transform: perspective(1000px) rotateY(0);
  -webkit-transform-origin: top;
  transform-origin: top;
}
.main .content.ready {
  transition: -webkit-transform 0.5s ease-in-out;
  transition: transform 0.5s ease-in-out;
}
.main .content.flipped {
  -webkit-transform: perspective(1000px) rotateY(180deg);
  transform: perspective(1000px) rotateY(180deg);
}
.main .content.flipped-back {
  -webkit-transform: perspective(1000px) rotateY(-180deg);
  transform: perspective(1000px) rotateY(-180deg);
}
.main .content section {
  background: #F0F0F0;
  color: #212;
  border-top: 1px solid black;
  outline: 1px solid transparent;
  display: block;
  padding: 1em;
  margin-bottom: 1em;
}
.main .content section a {
  font-weight: bold;
  text-decoration: none;
  border-bottom: 1px dotted #000044;
}
.main .content section a:hover {
  border-bottom-style: solid;
}
.main .content img {
  max-width: 100%;
}
.no-bullets {
  list-style-type: none;
  padding: 0;
}
.git {
  margin: 1em 0;
  box-shadow: 0 0 16px rgba(0, 0, 0, 0.3);
}