demo.css

@font-face {
	font-family: 'codropsicons';
	font-weight: normal;
	font-style: normal;
	src: url('../fonts/codropsicons/codropsicons.eot');
	src: url('../fonts/codropsicons/codropsicons.eot?#iefix') format('embedded-opentype'), url('../fonts/codropsicons/codropsicons.woff') format('woff'), url('../fonts/codropsicons/codropsicons.ttf') format('truetype'), url('../fonts/codropsicons/codropsicons.svg#codropsicons') format('svg');
}

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

.clearfix:before,
.clearfix:after {
	content: '';
	display: table;
}

.clearfix:after {
	clear: both;
}

body {
	font-family: 'Avenir Next', Avenir, 'Helvetica Neue', 'Lato', 'Segoe UI', Helvetica, Arial, sans-serif;
	color: #444;
	background: #fff;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

a {
	text-decoration: none;
	color: #4e3c3e;
	outline: none;
}

a:hover,
a:focus {
	color: #f48b95;
}

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

.info {
	font-size: 0.85em;
	font-weight: bold;
	line-height: 36px;
	margin: 5em 0 0;
	color: #9c9898;
}

.link-copy {
	position: absolute;
	top: 2em;
	right: 2em;
	width: 20px;
	height: 20px;
	cursor: pointer;
	background: url(../img/link.svg) no-repeat center center;
	background-size: cover;
}

.link-copy::after {
	content: 'Click to copy direct link';
	font-size: 0.85em;
	font-weight: bold;
	position: absolute;
	right: 100%;
	margin: 0 1em 0 0;
	white-space: nowrap;
	pointer-events: none;
	opacity: 0;
	color: #ddd;
	-webkit-transform: translate3d(10px, 0, 0);
	transform: translate3d(10px, 0, 0);
	-webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
	transition: transform 0.3s, opacity 0.3s;
}

.link-copy:hover::after {
	opacity: 1;
	-webkit-transform: translate3d(0, 0, 0);
	transform: translate3d(0, 0, 0);
}

.link-copy::before {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	width: 50px;
	height: 50px;
	margin: -25px 0 0 -25px;
	opacity: 0;
	border-radius: 50%;
	background: #d94f5c;
}

.link-copy--animate::before {
	-webkit-animation: pulse 0.3s;
	animation: pulse 0.3s;
}

@-webkit-keyframes pulse {
	from {
		opacity: 1;
		-webkit-transform: scale3d(0, 0, 1);
		transform: scale3d(0, 0, 1);
	}

	to {
		opacity: 0;
		-webkit-transform: scale3d(1, 1, 1);
		transform: scale3d(1, 1, 1);
	}

}

@keyframes pulse {
	from {
		opacity: 1;
		-webkit-transform: scale3d(0, 0, 1);
		transform: scale3d(0, 0, 1);
	}

	to {
		opacity: 0;
		transform: scale3d(1, 1, 1);
		webkit-transform: scale3d(1, 1, 1);
	}

}

.github-corner:hover .octo-arm {
	animation: octocat-wave 560ms ease-in-out;
}

@keyframes octocat-wave {
	0%,
	100% {
		transform: rotate(0);
	}

	20%,
	60% {
		transform: rotate(-25deg);
	}

	40%,
	80% {
		transform: rotate(10deg);
	}

}

@media (max-width:500px) {
	.github-corner:hover .octo-arm {
		animation: none;
	}

	.github-corner .octo-arm {
		animation: octocat-wave 560ms ease-in-out;
	}

}

/* Content */
.content {
	padding: 3em 0;
}

.section {
	display: -webkit-flex;
	display: flex;
	-webkit-flex-direction: column;
	flex-direction: column;
	-webkit-justify-content: center;
	justify-content: center;
	-webkit-align-items: center;
	align-items: center;
}

.section:nth-of-type(odd):not(:first-child) {
	color: #fff;
	background: #2a282b;
}

.section--menu {
	position: relative;
	overflow: hidden;
	min-height: 80vh;
	padding: 2em 0 8em;
}

.break {
	padding: 3em 0;
	text-align: center;
	background: #d94f5c;
}

.section__title {
	font-size: 0.65em;
	font-weight: 700;
	-webkit-flex: none;
	flex: none;
	margin: 3em 0 15em;
	text-indent: 3px;
	letter-spacing: 3px;
	text-transform: uppercase;
	color: #d1d1d1;
}

.break__title {
	font-size: 1.85em;
	font-weight: normal;
	margin: 0;
	color: #fff;
}

.section--intro {
	font-size: 2em;
	position: relative;
	min-height: 100vh;
	text-align: center;
	color: #fff;
}

.section--intro p {
	max-width: 1000px;
	margin: 0 auto;
	padding: 1em;
}

/* Header */
.codrops-header {
	position: relative;
	height: 100vh;
	min-height: 600px;
	padding: 0em 1em 4em;
	text-align: center;
	color: #fff;
	background: #d94f5c url(../img/mouse.svg) no-repeat left 50% bottom 40px;
}

.codrops-header h1 {
	font-size: 3.25em;
	font-weight: 700;
	line-height: 1;
	position: relative;
	z-index: 10;
	margin: 0.5em 0 0;
	letter-spacing: -1px;
}

.codrops-header h1 span {
	font-size: 50%;
	font-weight: normal;
	display: block;
	margin: 0.5em 0;
	letter-spacing: 0;
	color: #f48b95;
}

/* Top Navigation Style */
.codrops-links {
	position: relative;
	display: inline-block;
	text-align: center;
	white-space: nowrap;
}

.codrops-links::after {
	content: '';
	position: absolute;
	top: 0;
	left: 50%;
	width: 1px;
	height: 100%;
	background: #c14954;
	-webkit-transform: rotate3d(0, 0, 1, 22.5deg);
	transform: rotate3d(0, 0, 1, 22.5deg);
}

.codrops-icon {
	display: inline-block;
	width: 1.5em;
	margin: 0.5em;
	padding: 0em 0;
	text-decoration: none;
}

.codrops-icon span {
	display: none;
}

.codrops-icon:before {
	font-family: 'codropsicons';
	font-weight: normal;
	font-style: normal;
	font-variant: normal;
	line-height: 1;
	margin: 0 5px;
	text-transform: none;
	-webkit-font-smoothing: antialiased;
	speak: none;
}

.codrops-icon--drop:before {
	content: '\e001';
}

.codrops-icon--prev:before {
	content: '\e004';
}

/* Demo links */
.codrops-demos {
	margin: 2em 0 0;
}

.codrops-demos a {
	display: inline-block;
	margin: 0 0.5em;
}

.codrops-demos a.current-demo {
	color: #333;
}

/* Related demos */
.content--related {
	font-weight: bold;
	padding: 10em 1em;
	text-align: center;
	background: #d94f5c;
}

.content__wrap--related {
	max-width: 800px;
	margin: 0 auto;
}

.media-item {
	display: inline-block;
	padding: 1em;
	vertical-align: top;
	-webkit-transition: color 0.3s;
	transition: color 0.3s;
}

.media-item__img {
	max-width: 100%;
	opacity: 0.6;
	-webkit-transition: opacity 0.3s;
	transition: opacity 0.3s;
}

.media-item:hover .media-item__img,
.media-item:focus .media-item__img {
	opacity: 1;
}

.media-item__title {
	font-size: 1em;
	margin: 0;
	padding: 0.5em;
}

@media screen and (max-width:50em) {
	.section--intro {
		font-size: 1em;
	}

}