<div class="outer">
	<i class="fa fa-arrow-circle-up" id="arrow" aria-hidden="true"></i>
	<div class="inner">
		<!--
		HEADER
    SECTION
-->
		<header>
			<div class="container-fluid clearfix">
				<div class="row">
					<i class="fa fa-bars nav-toggle" aria-hidden="true"></i>
					<nav role="navigation">
						<i class="fa fa-times nav-toggle" aria-hidden="true"></i>
						<ul class="list-unstyled" id="nav">
							<li>
								<a class="nav-link" href="#intro"><span>About</span></a>
								<div class="underline"></div>
							</li>
							<li>
								<a class="nav-link" href="#skills"><span>Skills</span></a>
								<div class="underline"></div>
							</li>
							<li>
								<a class="nav-link" href="#portfolio"><span>Portfolio</span></a>
								<div class="underline"></div>
							</li>
							<li>
								<a class="nav-link" href="#contacts"><span>Contacts</span></a>
								<div class="underline"></div>
							</li>
						</ul>
					</nav>
				</div>
				<h1 class="titanic naked">Hi.</h1>
			</div>
		</header>

		<!--
		INTRODUCTION
		SECTION
-->

		<main id="main">
			<div class="container">
				<div class="row">
					<div id="intro">
						My name is Islam Ibakaev. Here at FreecodeCamp i learn to be a junior frontend developer. I love coding as all of you do.
					</div>
				</div>
			</div>
		</main>
		<section class="skills-sec">
			<div class="container-fluid">
				<div class="row">
					<div class="col-xs-10 col-xs-offset-1">
						<h2>Skills</h2>
					</div>
					<div class="col-xs-8 col-xs-offset-2">
						<div id="skills">
							<img class="img-responsive skill toR" src="https://www.dropbox.com/s/ptiub25akn0arv1/js.png?dl=1" alt="js icon" />
							<img class="img-responsive skill" src="https://www.dropbox.com/s/mg6l07shpizexrm/css3.png?dl=1" alt="css icon" />
							<img class="img-responsive skill toL" src="https://www.dropbox.com/s/gpnimluvvf99aln/html5.png?dl=1" alt="html icon" />
							<img src="https://www.dropbox.com/s/imyppai6tbkcy66/bootstrap.png?dl=1" alt="bootstrap icon" class="img-responsive skill toR" />
							<img src="https://www.dropbox.com/s/qbirqpen1rap569/jquery.png?dl=1" alt="jquery icon" class="img-responsive skill" />
							<img src="https://www.dropbox.com/s/3qcvkhy12pmmyy9/gitpng.png?dl=1" alt="git icon" class="img-responsive skill toL" />
							<img src="https://www.dropbox.com/s/4258cs4sxun3ogs/sass.png?dl=1" alt="sass icon" class="img-responsive skill toR" />
							<img src="https://www.dropbox.com/s/8k7szo5mjfz7n7g/gulp.png?dl=1" alt="gulp icon" class="img-responsive skill" />
							<img src="https://www.dropbox.com/s/addcu8z0r6xxrpn/react.png?dl=1" alt="react icon" class="img-responsive skill toL" />
						</div>
					</div>
				</div>
			</div>
		</section>

		<!--
		PORTFOLIO
    SECTION
-->

		<section class="portfolio-sec">
			<div class="container-fluid">
				<div class="row">
					<div class="col-xs-10 col-xs-offset-1">
						<h2>Portfolio</h2>
					</div>
					<div class="col-xs-12">
						<div id="portfolio">
							<div class="project">
								<a href="https://codepen.io/dagman/pen/BKddGL" target="_blank"><img src="https://www.dropbox.com/s/jlt6wt35u88kqmv/weather.png?dl=1" alt="weather_app" class="img-responsive" /></a>
							</div>
							<div class="project">
								<a href="https://codepen.io/dagman/pen/oxqzLx" target="_blank"><img src="https://www.dropbox.com/s/pmqf1y6q1zf5win/pomodoro.png?dl=1" alt="pomodoto_timer" class="img-responsive" /></a>
							</div>
							<div class="project">
								<a href="https://codepen.io/dagman/pen/NNXdxw" target="_blank"><img src="https://www.dropbox.com/s/rb7jycwtwxtkt7d/calculator.png?dl=1" alt="calculator" class="img-responsive" /></a>
							</div>
							<div class="project">
								<a href="https://codepen.io/dagman/pen/oxdYgW" target="_blank"><img src="https://www.dropbox.com/s/8hpioow2c68c97w/simon.png?dl=1" alt="simon_game" class="img-responsive" /></a>
							</div>
							<div class="project">
								<a href="https://codepen.io/dagman/pen/yOzemP" target="_blank"><img src="https://www.dropbox.com/s/f49kdhi98ygoqif/quote.png?dl=1" alt="quote_machine" class="img-responsive" /></a>
							</div>
							<div class="project">
								<a href="https://codepen.io/dagman/pen/jqZbje" target="_blank"><img src="https://www.dropbox.com/s/canzxmzo98vd1bj/tictactoe.png?dl=1" alt="tic_tac_toe" class="img-responsive" /></a>
							</div>
						</div>
					</div>
				</div>
			</div>
		</section>

	</div>
	<!--
		FOOTER
    SECTION
-->
	<footer>
		<div class="container">
			<div class="row">
				<div class="col-xs-10 col-xs-offset-1">
					<h2>Get in Touch</h2>
				</div>
				<div class="col-xs-12">
					<div id="contacts">
						<div class="row">
							<div class="col-lg-3 col-sm-6">
								<a class="contact-link awesome" href="#">mail</a>
							</div>
							<div class="col-lg-3 col-sm-6">
								<a class="contact-link awesome" href="#">linkedIn</a>
							</div>
							<div class="col-lg-3 col-sm-6">
								<a class="contact-link awesome" href="#">facebook</a>
							</div>
							<div class="col-lg-3 col-sm-6">
								<a class="contact-link awesome" href="#">freecodecamp</a>
							</div>
						</div>
					</div>
				</div>
			</div>
		</div>
	</footer>

</div>
@import url(https://maxcdn.bootstrapcdn.com/font-awesome/4.6.1/css/font-awesome.min.css);
@import url(https://fonts.googleapis.com/css?family=Raleway:400,900,500,600,700);
@import url(https://fonts.googleapis.com/css?family=Montserrat:400,700);
@import url(https://fonts.googleapis.com/css?family=Fira+Mono:400,700);
@import url(https://fonts.googleapis.com/css?family=Inconsolata:400,700);
@import url(https://fonts.googleapis.com/css?family=Sigmar+One);
@import url(https://fonts.googleapis.com/css?family=Bowlby+One+SC);

$main-c: #fff;
$accent-c: #333;
$link-c: $main-c;

* {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}

.naked {
	padding: 0;
	margin: 0;
}

a:hover, a:focus, a:visited {
	color: $link-c;
	text-decoration: none;
}

:root {
  font-size: calc(1vw + 1vh + .5vmin);
}

body {
	color: $main-c;
	background-color: $accent-c;
	-webkit-font-smoothing: antialiased;
	font-family: 'Montserrat';
	position: relative;
	font: 1em/1.6 sans-serif;
}

// header styles 
header {
	background-color: $accent-c;
	height: 100vh;
	position: relative;
	
}
.titanic {
	font-size: 144px;
	font-weight: 700;
	font-family: 'Raleway', sans-serif;
	opacity: 1;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	color: #fff;
}
nav {
	padding-top: 30px;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	width: 100%;
	height: 100%;
	background-color: #333;
	text-align: center;
	transform: translateX(-100%);
	& #nav {
		
		
	}
}



.inner {
	transform: translateX(0);
	transition: transform .5s cubic-bezier(.55,.07,1,.02);
	&.open {
		transform: translateX(100%);
	}
}

.fa-times {
	position: absolute;
	top: 35px;
	right: 10%;
	font-size: 36px;
	color: #F06060;
	cursor: pointer;
	z-index: 9999;
}
.fa-bars {
	font-size: 36px;
	position: absolute;
	top: 5%;
	left: 5%;
	cursor: pointer;
}
.fa-arrow-circle-up {
	position: fixed;
	bottom: 5%;
	left: 4%;
	cursor: pointer;
	font-size: 36px;
	z-index: 999;
	color: #F06060;
}
.outer {
	overflow: hidden;
	position: relative;
}

.underline {
	height: 2px;
	width: 0;
	margin: 0 auto;
	background-color: $main-c;
}
.nav-link {
	font-size: 46px;
	letter-spacing: 2px;
	display: block;
	color: $main-c;
	font-family: 'Inconsolata', ;
	padding: 5px 0;
	margin: 25px 0;
	text-transform: uppercase;
}

// INTRODUCTION
// SECTION

main {
	min-height: 100vh;
	padding-top: 50px;
	background-color: $main-c;
	text-align: center;
	font-size: 80px;
}
#intro {
	width: 100%;
	text-align: left;
	word-break: break-word;
	font-size: 9vw;
	font-family: "ff-nuvo-sc-web-pro",sans-serif;
	font-weight: bold;
	
	color: $accent-c;
}

// SKILLS
// SECTION

.skills-sec {
	position: relative;
	background-color: #fff;
}

h2 {
	color: $accent-c;
	text-align: center;
	margin: 100px 0;
	font-size: 10vw;
	font-weight: 700;
	border-top: .5vw solid $accent-c;
  border-bottom: .5vw solid $accent-c;
  padding: 10px 0;
}

#skills {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	// transform: translateY(20px);
	// transition: all 1s ease-in-out;
	// transition-delay: .2s;
	
}

.skill {
	width: 32%;
	height: 19vw;
	padding: 15px;
	opacity: 0;
	transition: all 1s ease-in-out;
	&.toR {
		transform: translateX(-50px);
	}
	&.toL {
		transform: translateX(50px);
	}
	&:nth-child(2) {
		transform: translateY(-50px);
	}
	&:nth-child(8) {
		transform: translateY(50px);
	}
	
}

// PORTFOLIO
// SECTION

.portfolio-sec {
	background-color: $accent-c;
	h2 {
		color: $main-c;
		border-color: $main-c;
    
	}
}
#portfolio {
	background-color: #333;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
}

.project {
	width: 32%;
	padding: 5px;
	opacity: 0;
	text-align: center;
	transform: translateX(-25px);
	transition: all .5s ease-in;
	img {
		display: inline-block;
	}
	
}

// FOOTER
// SECTION

footer {
	color: $accent-c;
	background-color: $main-c;
	display: block;
  position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	// z-index: -999;
	h2 {
		margin: 100px 0 50px 0;
	}
	
	#contacts {
		margin-bottom: 20px;
	}
	
	.contact-link {
		display: block;
    border: 1px solid $accent-c;
		padding: 10px 0;
    text-align: center;
    font-size: 150%;
    color: $accent-c;	
		text-transform: uppercase;
		transition: all .25s ease-in-out;
		&:hover {
			color: $main-c;
			background-color: $accent-c;
		}
	}
}

// BUTTONS 
// ANIMATIONS

.awesome {
  border-color: $accent-c;
  color: #fff;
  background: {
    image: linear-gradient(45deg,$accent-c 50%, transparent 50%);
    position: 100%;
    size: 400%;
  }
  transition: background 500ms ease-in-out;
  
  &:hover {
    background-position: 0;
  }
}



// MEDIA
// QUERIES

@media screen and (max-width: 1210px) {
	.contact-link {
		margin: 10px auto;
	}
}
@media screen and(max-width: 768px) {
	.skill {
		width: 50%;
		height: 30vw;
	}
	.project {
		width: 50%;
	}
	.contact-link {
		width: 50%;
		margin: 15px auto;
	}
}
@media screen and(max-width: 480px) {
	.skill {
		width: 100%;
		height: 60vw;
	}
	.project {
		width: 100%;
	}
	.contact-link {
		width: 70%;
		margin: 15px auto;
	}
}


View Compiled
$(document.body).ready(function() {
	
	// toggle navigation
	$('.nav-toggle').click(function() {
		$('.inner').toggleClass('open');
	});

	// smooth scrolling
	$(function() {
		$('a[href*="#"]:not([href="#"])').click(function() {
			if (location.pathname.replace(/^\//, '') == this.pathname.replace(/^\//, '') && location.hostname == this.hostname) {
				var target = $(this.hash);
				target = target.length ? target : $('[name=' + this.hash.slice(1) + ']');
				if (target.length) {
					setTimeout(function() {
						$('html, body').animate({
						  scrollTop: target.offset().top
					  }, 1000);
					}, 600);
					return false;
				}
			}
		});
	});

	var hi = $('.titanic'),
		header = $('header'),
		underline = $('.underline'),
		portfolioBox = $('.portfolio-sec'),
		project = $('.project'),
		navLink = $('.nav-link'),
		skillsBox = $('.skills-sec'),
		skills = $('.skill'),
		arrow = $('#arrow'),
		w = $(window),
		fz;

	portfolioBox.css({
		'marginBottom': $('footer').height()
	})

	TweenMax.from(hi, 5, {
		y: 140,
		opacity: 0,
		ease: Elastic.easeOut
	})
	
	$('.nav-link').click(function() {
		$('.inner').toggleClass('open');
	});

	$('nav li')
		.mouseenter(function(e) {
			var underline = $(this).find('div.underline'),
					width = $(this).find('span').width();
			TweenMax.to(underline, .1, {
				width: width
			});
		})
		.mouseleave(function(e) {
			var underline = $(this).find('div.underline');
			TweenMax.to(underline, .1, {
				width: 0
			});
		})

	w.scroll(function(e) {
		var wScroll = $(this).scrollTop(),
			wHeight = $(this).height();
		if (wScroll >= (header.height() - hi.height()) / 2) {
			
			// hi.css({
			// 	'position': 'absolute',
			// 	'top': '100%',
			// 	'transform': 'translate(-50%, -100%)'
			// })
			// TweenMax.to(hi, .5, {
			// 	color: '#333'
			// })
			
			// TweenMax.to(header, .5, {
			// 	backgroundColor: '#fff'
			// })

		}
		if (wScroll < (header.height() - hi.height()) / 2) {
			// hi.css({
			// 	'position': 'fixed',
			// 	'top': '50%',
			// 	'transform': 'translate(-50%, -50%)'
			// })
			// TweenMax.to(hi, .5, {
			// 	color: '#fff'
			// })
			
		
			// TweenMax.to(header, .5, {
			// 	backgroundColor: '#333'
			// })
		}
	})

	w.resize(function() {
		portfolioBox.css({
			'marginBottom': $('footer').height()
		})
	})

	$('#portfolio').waypoint(function() {
		// $('footer').css({
		// 	'display': 'block'
		// })
		TweenMax.staggerTo(project, .25, {
			'opacity': 1,
			x: 0
		}, .25)
	}, {
		offset: 300
	})

	
	
	portfolioBox.waypoint(function() {
		
		
	})

	skillsBox.waypoint(function() {
		skills.filter('.toR').css({
			'opacity': 1,
			'transform': 'translateX(0)'
		});
		skills.filter('.toL').css({
			'opacity': 1,
			'transform': 'translateX(0)'
		});
		skills.eq(1).css({
			'opacity': 1,
			'transform': 'translateY(0)'
		});
		skills.eq(4).css({
			'opacity': 1
		});
		skills.eq(7).css({
			'opacity': 1,
			'transform': 'translateY(0)'
		});
		

	})
	
	arrow.click(function() {
		$('body').animate({
			scrollTop: 0
		}, 1000);
	});

});

External CSS

  1. https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css

External JavaScript

  1. //cdnjs.cloudflare.com/ajax/libs/jquery/2.2.2/jquery.min.js
  2. //cdnjs.cloudflare.com/ajax/libs/gsap/1.18.2/TweenMax.min.js
  3. https://codepen.io/gabrieldamon42/pen/rFHJs.js
  4. https://cdnjs.cloudflare.com/ajax/libs/waypoints/4.0.0/jquery.waypoints.min.js