.wrapper {
	min-height: 100vh;
	font-family: "Roboto Slab", serif;
	font-weight: 300;
	color: #fff;
	position: relative;
  }
  
  section {
	height: 100vh;
	font-size: 40px;
	font-weight: 100;
	background-color: #22A7F0;
	display: flex;
	justify-content: center;
	align-items: center;
  }
  section:nth-child(1) {
	background: white;
  }
  section:nth-child(2) {
	background: #F64747;
  }
  section:nth-child(3) {
	background: #22A7F0;
  }
  section:nth-child(4) {
	background: #F9690E;
  }
  section:nth-child(5) {
	background: #9B59B6;
  }
  section:nth-child(6) {
	background: #03C9A9;
  }
  section:nth-child(7) {
	background: #ffcc00;
  }
  
  .nav__wrapper {
	position: fixed;
	height: 100%;
	padding: 30px;
	display: flex;
	flex-flow: column nowrap;
	justify-content: flex-end;
  }
  .nav {
	margin: 0 0 100px 30px;
  }
  .nav__counter {
	font-size: 24px;
	transition: all 0.15s ease-out;
  }
  .nav__title {
	font-size: 32px;
	font-weight: 300;
	margin: 0 0 0.25em;
	width: 300px;
	height: 0;
	overflow: hidden;
	opacity: 0;
	transition: height 0.3s ease-out, opacity 0.2s ease-out;
  }
  .nav__body {
	font-weight: 100;
	font-size: 18px;
	font-size: 18px;
	width: 300px;
	height: 0;
	overflow: hidden;
	opacity: 0;
	transition: height 0.3s ease-out, opacity 0.2s ease-out;
  }
  .nav li {
	position: relative;
	transition: all 0.3s ease-out;
	margin-bottom: 1em;
  }
  .nav li:after {
	content: "";
	display: block;
	border-left: 2px solid white;
	border-top: 2px solid white;
	height: 250px;
	width: 20px;
	position: absolute;
	left: -30px;
	top: 15px;
  }
  .nav li a {
	display: block;
	padding: 0;
	color: #fff;
	transition: all 0.15s ease-out;
  }
  .nav li a:hover {
	background-color: transparent;
	padding-left: 1em;
  }
  .nav li a:focus {
	background-color: transparent;
  }
  .nav li.active {
	pointer-events: none;
	padding-left: 1em;
  }
  .nav li.active:after {
	width: 35px;
	height: 400px;
	top: 35px;
  }
  .nav li.active .nav__counter {
	font-size: 48px;
  }
  .nav li.active .nav__title {
	height: 40px;
	opacity: 1;
	overflow: visible;
  }
  .nav li.active .nav__body {
	height: 100px;
	opacity: 1;
	overflow: visible;
  }