Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Auto Save

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                <body class="loading">
		<svg class="hidden">
			<symbol id="icon-arrow" viewBox="0 0 24 24">
				<title>arrow</title>
				<polygon points="6.3,12.8 20.9,12.8 20.9,11.2 6.3,11.2 10.2,7.2 9,6 3.1,12 9,18 10.2,16.8 "/>
			</symbol>
			<symbol id="icon-drop" viewBox="0 0 24 24">
				<title>drop</title>
				<path d="M12,21c-3.6,0-6.6-3-6.6-6.6C5.4,11,10.8,4,11.4,3.2C11.6,3.1,11.8,3,12,3s0.4,0.1,0.6,0.3c0.6,0.8,6.1,7.8,6.1,11.2C18.6,18.1,15.6,21,12,21zM12,4.8c-1.8,2.4-5.2,7.4-5.2,9.6c0,2.9,2.3,5.2,5.2,5.2s5.2-2.3,5.2-5.2C17.2,12.2,13.8,7.3,12,4.8z"/><path d="M12,18.2c-0.4,0-0.7-0.3-0.7-0.7s0.3-0.7,0.7-0.7c1.3,0,2.4-1.1,2.4-2.4c0-0.4,0.3-0.7,0.7-0.7c0.4,0,0.7,0.3,0.7,0.7C15.8,16.5,14.1,18.2,12,18.2z"/>
			</symbol>
			<svg id="icon-github" viewBox="0 0 33 33">
				<title>github</title>
				<path d="M16.608.455C7.614.455.32 7.748.32 16.745c0 7.197 4.667 13.302 11.14 15.456.815.15 1.112-.353 1.112-.785 0-.386-.014-1.411-.022-2.77-4.531.984-5.487-2.184-5.487-2.184-.741-1.882-1.809-2.383-1.809-2.383-1.479-1.01.112-.99.112-.99 1.635.115 2.495 1.679 2.495 1.679 1.453 2.489 3.813 1.77 4.741 1.353.148-1.052.569-1.77 1.034-2.177-3.617-.411-7.42-1.809-7.42-8.051 0-1.778.635-3.233 1.677-4.371-.168-.412-.727-2.069.16-4.311 0 0 1.367-.438 4.479 1.67a15.602 15.602 0 0 1 4.078-.549 15.62 15.62 0 0 1 4.078.549c3.11-2.108 4.475-1.67 4.475-1.67.889 2.242.33 3.899.163 4.311C26.37 12.66 27 14.115 27 15.893c0 6.258-3.809 7.635-7.437 8.038.584.503 1.105 1.497 1.105 3.017 0 2.177-.02 3.934-.02 4.468 0 .436.294.943 1.12.784 6.468-2.159 11.131-8.26 11.131-15.455 0-8.997-7.294-16.29-16.291-16.29"></path>
			</svg>
			<symbol id="icon-menu" viewBox="0 0 119 25">
				<title>menu</title>
				<path d="M36,8 L36,0 L100,0 L100,8 L36,8 Z M0,8 L0,0 L24,0 L24,8 L0,8 Z M0,28 L0,20 L71,20 L71,28 L0,28 Z"/>
			</symbol>
			<symbol id="icon-close" viewBox="0 0 24 24">
				<title>close</title>
				<path d="M24 1.485L22.515 0 12 10.515 1.485 0 0 1.485 10.515 12 0 22.515 1.485 24 12 13.484 22.515 24 24 22.515 13.484 12z"/>
			</symbol>
		</svg>
		<main>
			<div class="frame">
				<header class="codrops-header">
					<!-- <div class="codrops-links">
						<a class="codrops-icon codrops-icon--prev" href="https://tympanus.net/Development/GridLayoutScrollableContent/" title="Previous Demo"><svg class="icon icon--arrow"><use xlink:href="#icon-arrow"></use></svg></a>
						<a class="codrops-icon codrops-icon--drop" href="https://tympanus.net/codrops/?p=36043" title="Back to the article"><svg class="icon icon--drop"><use xlink:href="#icon-drop"></use></svg></a>
					</div> -->
					<h1 class="codrops-header__title">Multibox Menu</h1>
				</header>
				<!-- <p class="info">12 &mdash; 24 May 2019 &middot; Bannockburn &middot; Stirling &middot; UK</p> -->
				<a class="github" href="#" title="Find this project on GitHub"><svg class="icon icon--github"><use xlink:href="#icon-github"></use></svg></a>
			</div>
			<div class="content">
				<div class="background"></div>
				<h2 class="content__title">Headline</h2>
				<p class="content__tagline">Subheadline</p>
			</div>
			<nav class="menu">
				<div class="menu__item menu__item--1" data-direction="bt">
					<div class="menu__item-inner">
						<div class="mainmenu">
							<a href="#" class="mainmenu__item">About</a>
							<a href="#" class="mainmenu__item">Team</a>
							<a href="#" class="mainmenu__item">Services</a>
							<a href="#" class="mainmenu__item">Contact</a>
						</div>
						<p class="label label--topleft label--vert-mirror">the important stuff</p>
						<p class="label label--bottomright label--vert">made in charleston</p>
					</div>
				</div>
				<div class="menu__item menu__item--2" data-direction="lr">
					<div class="menu__item-inner">
						<div class="menu__item-map"></div>
						<a href="#" class="menu__item-hoverlink">The location</a>
					</div>
				</div>
				<div class="menu__item menu__item--3" data-direction="bt">
					<div class="menu__item-inner">
						<div class="sidemenu">
							<a href="#" class="sidemenu__item"><span class="sidemenu__item-inner">Link 1</span></a>
							<a href="#" class="sidemenu__item"><span class="sidemenu__item-inner">Link 2</span></a>
							<a href="#" class="sidemenu__item"><span class="sidemenu__item-inner">Link 3</span></a>
							<a href="#" class="sidemenu__item"><span class="sidemenu__item-inner">Link 4</span></a>
						</div>
					</div>
				</div>
				<div class="menu__item menu__item--4" data-direction="rl">
					<div class="menu__item-inner">
						<p class="label label--topleft label--line">Call to Action</p>
						<a href="#" class="menu__item-link">Learn how to <br> participate</a>
					</div>
				</div>
				<div class="menu__item menu__item--5" data-direction="tb">
					<div class="menu__item-inner">
						<p class="quote">Business intelligence (BI) is a technology-driven process for analyzing data and presenting actionable information to help executives, managers and other corporate end users make informed business decisions.</p>
					</div>
				</div>
				<button class="action action--menu"><svg class="icon icon--menu"><use xlink:href="#icon-menu"></use></svg></button>
				<button class="action action--close"><svg class="icon icon--close"><use xlink:href="#icon-close"></use></svg></button>
			</nav>
		</main>
	</body>
              
            
!

CSS

              
                article, aside, details, figcaption, figure, footer, header, hgroup, main, nav, section, summary {
  display: block;
}

audio, canvas, video {
  display: inline-block;
}

audio:not([controls]) {
  display: none;
  height: 0;
}

[hidden] {
  display: none;
}

html {
  font-family: sans-serif;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
}

a:focus {
  outline: thin dotted;
}

a:active, a:hover {
  outline: 0;
}

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

abbr[title] {
  border-bottom: 1px dotted;
}

b, strong {
  font-weight: bold;
}

dfn {
  font-style: italic;
}

hr {
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  height: 0;
}

mark {
  background: #ff0;
  color: #000;
}

code, kbd, pre, samp {
  font-family: monospace, serif;
  font-size: 1em;
}

pre {
  white-space: pre-wrap;
}

q {
  quotes: "\201C""\201D""\2018""\2019";
}

small {
  font-size: 80%;
}

sub, sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

img {
  border: 0;
}

svg:not(:root) {
  overflow: hidden;
}

figure {
  margin: 0;
}

fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}

legend {
  border: 0;
  padding: 0;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 100%;
  margin: 0;
}

button, input {
  line-height: normal;
}

button, select {
  text-transform: none;
}

button, html input[type="button"], input[type="reset"], input[type="submit"] {
  -webkit-appearance: button;
  cursor: pointer;
}

button[disabled], html input[disabled] {
  cursor: default;
}

input[type="checkbox"], input[type="radio"] {
  box-sizing: border-box;
  padding: 0;
}

input[type="search"] {
  -webkit-appearance: textfield;
  -moz-box-sizing: content-box;
  -webkit-box-sizing: content-box;
  box-sizing: content-box;
}

input[type="search"]::-webkit-search-cancel-button, input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

button::-moz-focus-inner, input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

textarea {
  overflow: auto;
  vertical-align: top;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

*,
*::after,
*::before {
  box-sizing: border-box;
}

body {
  --color-text: #fff;
  --color-bg: #252525;
  --color-link: #fff;
  --color-link-hover: #bed9e8;
  --color-bg-item1: #15171b;
  --color-bg-item2: #2c35b7;
  --color-bg-item3: #0f1013;
  --color-bg-item4: #1d2027;
  --color-bg-item5: #0f1013;
  --color-item-alt: #494d54;
  --color-quote: #5b677a;
  --color-info: #57535a;
  --color-title: #bed9e8;
  --color-tagline: #e2e2e2;
  font-family: "europa", Futura, Arial, sans-serif;
  min-height: 100vh;
  color: #57585c;
  color: var(--color-text);
  background-color: #fff;
  background-color: var(--color-bg);
  overflow: hidden;
  padding: 6rem 0 0 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Page Loader */
.js .loading::before {
  content: '';
  position: fixed;
  z-index: 100000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
}

.js .loading::after {
  content: '';
  position: fixed;
  z-index: 100000;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  margin: -30px 0 0 -30px;
  pointer-events: none;
  border-radius: 50%;
  opacity: 0.4;
  background: var(--color-link);
  animation: loaderAnim 0.7s linear infinite alternate forwards;
}

@keyframes loaderAnim {
  to {
    opacity: 1;
    transform: scale3d(0.5, 0.5, 1);
  }
}

a {
  text-decoration: none;
  color: var(--color-link);
  outline: none;
  transition: color 0.2s;
}

a:hover,
a:focus {
  color: var(--color-link-hover);
}

button:focus,
a:focus {
  outline: none;
}

.hidden {
  position: absolute;
  overflow: hidden;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* Icons */
.icon {
  display: block;
  width: 1.5em;
  height: 1.5em;
  margin: 0 auto;
  fill: currentColor;
}

main {
  position: relative;
  width: 100%;
}

.frame {
  position: relative;
  z-index: 199;
}

.content {
  text-align: center;
  position: relative;
  z-index: 100;
}

.background {
  perspective: 1000px;
}

.background,
.background__copy {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background:
    linear-gradient(rgba(0, 0, 0, 0.75),
    rgba(0, 0, 0, 0.75)),
    url(../img/is-bg.jpg);
  background-position: 50% 0%;
  background-size: cover;
  z-index: 1;
}

.background__copy {
  opacity: 0.3;
  transform: translate3d(0, 0, 0);
}

/* Header */
.codrops-header {
  position: relative;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  justify-items: center;
  align-self: start;
}

.codrops-header__title {
  font-size: 1rem;
  line-height: 1;
  font-weight: normal;
  margin: 0 1rem;
}

.info {
  display: block;
  grid-area: info;
  margin: 1rem 0;
  justify-self: end;
  text-align: center;
}

.github {
  display: block;
  margin: 1rem 0 0 0;
}

/* Top Navigation Style */
.codrops-links {
  position: relative;
  display: flex;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  font-size: 0.85rem;
}

.codrops-icon {
  display: inline-block;
  padding: 0.25em;
}

.content__title {
  /* font-family: "sabbath-black", serif; */
  font-family: "europa", Futura, Arial, serif;
  font-size: 14vw;
  font-weight: normal;
  mix-blend-mode: screen;
  line-height: 0.8;
  text-transform: lowercase;
  margin: 0;
  color: var(--color-title);
  z-index: 199;
  cursor: default;
}

.content__tagline {
  color: var(--color-tagline);
  margin: 1rem 0 0 0;
  font-weight: bold;
  font-size: 1rem;
  letter-spacing: 0.125rem;
  word-spacing: 0.25rem;
  text-transform: uppercase;
  text-align: center;
  z-index: 199;
  cursor: default;
}

.action {
  background: none;
  border: 0;
  color: #fff;
  cursor: pointer;
  padding: 0;
}

.action--menu {
  pointer-events: auto;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
}

.menu--open .action--menu {
  pointer-events: none;
}

.action--close {
  position: absolute;
  top: 1.5rem;
  right: 1.75rem;
  z-index: 1000;
  opacity: 0;
  padding: 0 0.5rem;
}

.icon--menu {
  width: 2rem;
}

.icon--close {
  width: 1rem;
}

.menu {
  text-align: center;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  display: grid;
  grid-template-columns: 100%;
  grid-template-rows: repeat(3, 33.33%);
  pointer-events: none;
}

.menu--open {
  pointer-events: auto;
}

.menu__item {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.menu__item-inner {
  overflow: hidden;
  transform: translate3d(100%, 0, 0);
  height: 100%;
  width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.menu__item--1 .menu__item-inner {
  background: var(--color-bg-item1);
}

.menu__item--2 .menu__item-inner {
  background: var(--color-bg-item2);
}

.menu__item--3 .menu__item-inner {
  background: var(--color-bg-item3);
}

.menu__item--4 .menu__item-inner {
  background: var(--color-bg-item4);
}

.menu__item--5 .menu__item-inner {
  background: var(--color-bg-item5);
}

.menu__item--4,
.menu__item--5 {
  display: none;
}

.label {
  display: none;
}

.mainmenu__item {
  opacity: 0;
}

.mainmenu__item,
.sidemenu__item {
  position: relative;
  overflow: hidden;
  transition: color 0.1s;
  margin: 0.25rem 0;
  display: block;
}

.sidemenu__item-inner {
  display: block;
  transform: translate3d(0, 100%, 0);
}

.menu__item-map {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: url(../img/chs-old-map.jpeg) no-repeat 50% 50%;
  background-size: cover;
  transition: transform 0.8s cubic-bezier(0.2, 1, 0.8, 1);
}

.menu__item-inner:hover .menu__item-map {
  transform: scale3d(1.1, 1.1, 1);
}

.menu__item-hoverlink {
  font-weight: bold;
  text-transform: capitalize;
  position: relative;
  z-index: 1000;
  display: block;
}

.menu__item-hoverlink:hover {
  color: var(--color-link);
}

.quote {
  font-size: 1.5rem;
  padding: 1rem;
  text-align: center;
  max-width: 70%;
  color: var(--color-quote);
  /* font-family: "sabbath-black",serif; */
  font-family: "europa", Futura, Arial, serif;
}

.menu__item-link {
  text-align: left;
  align-self: flex-start;
  justify-self: start;
  font-size: 1.5rem;
  width: 100%;
  line-height: 1;
  padding: 2rem;
  margin: 3rem 0 auto;
  display: flex;
  flex-direction: column;
  height: calc(100% - 3rem);
}

.menu__item-link::after {
  content: '\27F6';
  display: block;
  margin-top: auto;
  font-size: 0.95rem;
}

@media screen and (min-width: 53em) {
  body {
    padding: 0;
  }

  .content {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    min-height: 100vh;
    text-align: left;
  }

  .frame {
    position: fixed;
    z-index: 199;
    top: 0;
    left: 0;
    display: grid;
    align-content: space-between;
    width: 100%;
    max-width: none;
    height: 100vh;
    padding: 1.5rem;
    pointer-events: none;
    grid-template-columns: 50% 50%;
    grid-template-rows: auto auto auto;
    grid-template-areas:
      'codropsheader info'
      '... ...'
      'github ...';
  }

  .codrops-header {
    grid-area: codropsheader;
    padding: 0;
    justify-content: start;
  }

  .codrops-links {
    margin: 0;
  }

  .frame a {
    pointer-events: auto;
  }

  .github {
    grid-area: github;
    justify-self: start;
  }

  .info {
    margin: 0 6rem 0 0;
    color: var(--color-info);
  }

  .menu {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    grid-template-columns: 20% 30% 50%;
    grid-template-rows: 60% 40%;
    grid-template-areas:
      "item3 item2 item1"
      "item4 item5 item1";
  }

  .menu__item {
    height: 100%;
  }

  .menu__item--1 {
    grid-area: item1;
  }

  .menu__item--2 {
    grid-area: item2;
  }

  .menu__item--3 {
    grid-area: item3;
  }

  .menu__item--4 {
    grid-area: item4;
  }

  .menu__item--5 {
    grid-area: item5;
  }

  .menu__item--4,
  .menu__item--5 {
    display: block;
  }

  .menu__item-inner {
    align-items: center;
  }

  .label {
    display: block;
    color: var(--color-item-alt);
    position: absolute;
    z-index: 1000;
    font-size: 0.85rem;
    font-weight: bold;
    margin: 0;
    white-space: nowrap;
  }

  .label--topleft {
    top: 2rem;
    left: 2rem;
  }

  .label--vert,
  .label--vert-mirror {
    -webkit-writing-mode: vertical-rl;
    writing-mode: vertical-rl;
  }

  .label--vert-mirror {
    transform: rotate(180deg);
  }

  .label--bottomright {
    bottom: 2rem;
    right: 2rem;
  }

  .label::before {
    content: '------------- ';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -1px;
    margin: 0 0.75rem 0 0;
  }

  .label--vert::before,
  .label--vert-mirror::before {
    margin: 0.75rem 0;
  }

  .mainmenu,
  .sidemenu {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .mainmenu {
    counter-reset: menuitem;
  }

  .mainmenu__item {
    font-size: 5vw;
    text-transform: lowercase;
    overflow: visible;
    margin: 0.5rem 0;
    padding: 0 0.5rem;
    position: relative;
    transition: color 0.3s;
  }

  .mainmenu__item:hover {
    color: var(--color-item-alt);
  }

  .mainmenu__item::before {
    counter-increment: menuitem;
    content: counters(menuitem, "", decimal-leading-zero);
    position: absolute;
    font-size: 0.85rem;
    top: 25%;
    left: -1.25rem;
    color: var(--color-item-alt);
  }

  .mainmenu__item::after {
    content: '';
    width: 100%;
    top: 58%;
    height: 6px;
    background: var(--color-link-hover);
    position: absolute;
    left: 0;
    opacity: 0;
    transform: scale3d(0, 1, 1);
    transition: transform 0.3s, opacity 0.3s;
    transform-origin: 100% 50%;
  }

  .mainmenu__item:hover::after {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }

  .sidemenu__item {
    text-transform: uppercase;
    letter-spacing: 0.15rem;
    font-size: 0.85rem;
  }

  .menu__item-hoverlink {
    font-size: 1.25rem;
    text-transform: lowercase;
    border-bottom: 2px solid #fff;
    opacity: 0;
    transition: opacity 0.3s;
  }

  .menu__item-inner:hover .menu__item-hoverlink {
    opacity: 1;
  }
}
              
            
!

JS

              
                {
    // Class Menu.
    class Menu {
        constructor(el) {
            this.DOM = {el: el};
            // Open and close ctls.
            this.DOM.openCtrl = this.DOM.el.querySelector('.action--menu');
            this.DOM.closeCtrl = this.DOM.el.querySelector('.action--close');
            this.DOM.openCtrl.addEventListener('click', () => this.open());
            this.DOM.closeCtrl.addEventListener('click', () => this.close());
            this.DOM.openCtrl.addEventListener('mouseenter', () => {
                allowTilt = false;
                tilt.reset()
            });
            this.DOM.openCtrl.addEventListener('mouseleave', () => {
                allowTilt = true;
            });

            // The menu items.
            this.DOM.items = Array.from(this.DOM.el.querySelectorAll('.menu__item'));
            // The total number of items.
            this.itemsTotal = this.DOM.items.length;

            // Custom elements that will be animated.
            this.DOM.mainLinks = this.DOM.el.querySelectorAll('.mainmenu > a.mainmenu__item');
            this.DOM.sidemenuLinks = this.DOM.el.querySelectorAll('.sidemenu span.sidemenu__item-inner');
            this.DOM.menulink = this.DOM.el.querySelector('.menu__item-link');
        }
        // Open the menu.
        open() {
            this.toggle('open');
        }
        // Close the menu.
        close() {
            this.toggle('close');
        }
        toggle(action) {
            if ( this.isAnimating ) return;
            // (dis)allow the main image tilt effect.
            allowTilt = action === 'open' ? false : true;
            this.isAnimating = true;
            // Toggling the open state class.
            this.DOM.el.classList[action === 'open' ? 'add' : 'remove']('menu--open');
            // After all is animated..
            const animationEnd = (pos) => {
                if ( pos === this.itemsTotal-1 ) {
                    this.isAnimating = false;
                }
            };
            // Going through each menu´s item.
            this.DOM.items.forEach((el, pos) => {
                // The inner wrapper.
                const innerEl = el.querySelector('.menu__item-inner');
                // config and inner config will have the starting transform values (when opening) and the end ones (when closing) for both the item and its inner element.
                const config = {};
                const configInner = {};
                // Direction defined in the HTML data-direction.
                // bt (bottom to top) || tb (top to bottom) || lr (left to right) || rl (right to left)
                const direction = el.dataset.direction;
                // Using 101% instead of 100% to avoid rendering problems.
                // In order to create the "reveal" effect, the item slides moves in one direction and its inner element in the opposite direction.
                if ( direction === 'bt' ) {
                    config.y = '101%';
                    configInner.y = '-101%';
                    configInner.x = '0%';
                }
                else if ( direction === 'tb' ) {
                    config.y = '-101%';
                    configInner.y = '101%';
                    configInner.x = '0%';
                }
                else if ( direction === 'lr' ) {
                    config.x = '-101%';
                    configInner.x = '101%';
                }
                else if ( direction === 'rl' ) {
                    config.x = '101%';
                    configInner.x = '-101%';
                }
                else {
                    config.x = '101%';
                    config.y = '101%';
                    configInner.x = '-101%';
                    configInner.y = '-101%';
                }

                if ( action === 'open' ) {
                    // Setting the initial values.
                    TweenMax.set(el, config);
                    TweenMax.set(innerEl, configInner);

                    // Animate.
                    TweenMax.to([el,innerEl], .9, {
                        ease: Quint.easeOut,
                        x: '0%',
                        y: '0%',
                        onComplete: () => animationEnd(pos)
                    });
                }
                else {
                    TweenMax.to(el, 0.6, {
                        ease: Quart.easeInOut,
                        x: config.x || 0,
                        y: config.y || 0
                    });
                    TweenMax.to(innerEl, 0.6, {
                        ease: Quart.easeInOut,
                        x: configInner.x || 0,
                        y: configInner.y || 0,
                        onComplete: () => animationEnd(pos)
                    });
                }
            });

            // Show/Hide open and close ctrls.
            TweenMax.to(this.DOM.closeCtrl, 0.6, {
                ease: action === 'open' ? Quint.easeOut : Quart.easeInOut,
                startAt: action === 'open' ? {rotation: 0} : null,
                opacity: action === 'open' ? 1 : 0,
                rotation: action === 'open' ? 180 : 270
            });
            TweenMax.to(this.DOM.openCtrl, action === 'open' ? 0.6 : 0.3, {
                delay: action === 'open' ? 0 : 0.3,
                ease: action === 'open' ? Quint.easeOut : Quad.easeOut,
                opacity: action === 'open' ? 0 : 1
            });

            // Main links animation.
            TweenMax.staggerTo(this.DOM.mainLinks, action === 'open' ? 0.9 : 0.2, {
                ease: action === 'open' ? Quint.easeOut : Quart.easeInOut,
                startAt: action === 'open' ? {y: '50%', opacity: 0} : null,
                y: action === 'open' ? '0%' : '50%',
                opacity: action === 'open' ? 1 : 0
            }, action === 'open' ? 0.1 : -0.1);

            // Sidemenu links animation.
            TweenMax.staggerTo(this.DOM.sidemenuLinks, action === 'open' ? 0.5 : 0.2, {
                ease: action === 'open' ? Quint.easeInOut : Quart.easeInOut,
                startAt: action === 'open' ? {y: '100%'} : null,
                y: action === 'open' ? '0%' : '100%'
            }, action === 'open' ? 0.05 : -0.05);

            // The "Learn how to participate" menu link.
            TweenMax.to(this.DOM.menulink, action === 'open' ? 0.9 : 0.6, {
                ease: action === 'open' ? Quint.easeOut : Quart.easeInOut,
                startAt: action === 'open' ? {x: '10%'} : null,
                x: action === 'open' ? '0%' : '10%'
            });
        }
    }
	// Initialize the Menu.
    const menu = new Menu(document.querySelector('nav.menu'));

    // Preload images.
    imagesLoaded(document.querySelector('.background'), {background: true}, () => document.body.classList.remove('loading'));

    // extra stuff..

    // From http://www.quirksmode.org/js/events_properties.html#position
    // Get the mouse position.
	const getMousePos = (e) => {
        let posx = 0;
        let posy = 0;
		if (!e) e = window.event;
		if (e.pageX || e.pageY) 	{
			posx = e.pageX;
			posy = e.pageY;
		}
		else if (e.clientX || e.clientY) 	{
			posx = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
			posy = e.clientY + document.body.scrollTop + document.documentElement.scrollTop;
		}
		return { x : posx, y : posy }
    };

    // Main image  tilt effect.
    class TiltFx {
        constructor() {
            this.DOM = {main: document.querySelector('.background')};
            // Number of layers (how many repeated image elements)
            this.layersTotal = 4;
            this.layout();
            this.initEvents();
        }
        layout() {
            let inner = '';
            for (let i = 0; i <= this.layersTotal-1; ++i) {
                inner +=  '<div class="background__copy" style="background-image: url(img/is-bg.jpg)"></div>';
            }
            this.DOM.main.innerHTML = inner;
            this.DOM.layers = Array.from(this.DOM.main.querySelectorAll('.background__copy'));
        }
        initEvents() {
            this.mousemoveFn = ev => requestAnimationFrame(() => this.tilt(ev));
            document.body.addEventListener('mousemove', this.mousemoveFn);
        }
        // Tilt the image wrap and texts when mouse moving the current slide.
        tilt(ev) {
            if ( !allowTilt ) return;
            const mousepos = getMousePos(ev);
            const bounds = this.DOM.main.getBoundingClientRect();
            // Mouse position relative to the main element (this.DOM.main).
            const relmousepos = {
                x : mousepos.x - bounds.left,
                y : mousepos.y - bounds.top
            };

            this.DOM.layers.forEach((layer, pos) => {
                // Move the element from -val to val pixels in both x and y axis.
                let val = (pos+1);
                let t = {x:[val,-val],y:[val,-val]},
                    r = {x:[-2,2],y:[-val,val]},
                    s = {v:[1.03,0.97]};

                const transforms = {
                    translation : {
                        x: (t.x[1]-t.x[0])/bounds.width*relmousepos.x + t.x[0],
                        y: (t.y[1]-t.y[0])/bounds.height*relmousepos.y + t.y[0]
                    },
                    rotation : {
                        x: (r.x[1]-r.x[0])/bounds.height*relmousepos.y + r.x[0],
                        y: (r.y[1]-r.y[0])/bounds.width*relmousepos.x + r.y[0]
                    },
                    scale : {
                        v: (s.v[1]-s.v[0])/bounds.height*relmousepos.y + s.v[0],
                    }
                };

                TweenMax.to(layer, 1.5, {
                    ease: 'Power1.easeOut',
                    x: transforms.translation.x,
                    y: transforms.translation.y,
                    rotationX: transforms.rotation.x,
                    rotationY: transforms.rotation.y,
                    scale: transforms.scale.v,
                });
            });
        }
        // Scale up all the layers.
        zoom() {
            TweenMax.staggerTo( this.DOM.layers, 1.5, {
                ease: 'Expo.easeOut',
                x: 0,
                y: 0,
                rotationX: 0,
                rotationY: 0,
                scale: 1.1,
            }, 0.04);
        }
        reset() {
            TweenMax.staggerTo( this.DOM.layers, 1.5, {
                ease: 'Expo.easeOut',
                x: 0,
                y: 0,
                rotationX: 0,
                rotationY: 0,
                scale: 1,
            }, 0.07);
        }
    }

    let allowTilt = true;
    const tilt = new TiltFx();

    // Hovering the github link zooms in the main image.
    const githubEl =  document.querySelector('.github');
    githubEl.addEventListener('mouseenter', () => {
        allowTilt = false;
        tilt.zoom()
    });
    githubEl.addEventListener('mouseleave', () => allowTilt = true);
}

              
            
!
999px

Console