style.css

body, html {
	margin: 0;
	padding: 0;
}

.section {
	min-height: 800px;
	position: relative;
	text-align: center;
	font-family: sans-serif, arial;
	margin: 0;
}

h1, p {
	margin: 0;
	font-family: sans-serif, arial;
	font-weight: bold;
}

.text-wr {
	position: absolute;
	top: 50%;
	left: 50%;
	-webkit-transform: translate(-50%, -50%);
	-moz-transform: translate(-50%, -50%);
	-o-transform: translate(-50%, -50%);
	-ms-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
}

#section1 {
	background: #5c53aa;
	color: #8d86c3;
}

#section2 {
	background: #4bbfc3;
	color: #81d2d5;
}

#section3 {
	background: #283044;
	color: #686e7c;
}

#section4 {
	background: #ebf5ee;
	color: #aeb9b9;
}

h1 {
	font-size: 50px;
	margin-bottom: 25px;
}

.title-top {
	font-size: 60px;
	padding-bottom: 30px;
}

.title-bottom {
	font-size: 30px;
}

.title-tx {
	font-size: 20px;
	opacity: 0.8;
}

.nav {
	position: fixed; /*left: 50%;*/
	width: 100%;
	top: 20px;
	z-index: 9;
	padding-left: 10px;
}

.nav a {
	padding: 7px 20px;
	border-radius: 7px;
	margin-right: 10px;
	background: rgba(255, 255, 255, 0.5);
	-webkit-transition: all 0.2s ease-out;
	-moz-transition: all 0.2s ease-out;
	-ms-transition: all 0.2s ease-out;
	-o-transition: all 0.2s ease-out;
	transition: all 0.2s ease-out;
	text-decoration: none;
	color: black;
	font-family: sans-serif, arial;
	font-weight: 100;
}

.nav a.active {
	background: rgba(0, 0, 0, 0.5);
	color: white;
}

.nav a:hover {
	background: rgba(255, 255, 255, 0.7);
}

.fork-wr img {
	position: fixed;
	z-index: 99;
	top: 0;
	right: 0;
	border: 0;
}