demo.css

@import url(http://fonts.googleapis.com/css?family=Raleway:400,500,700);

@font-face {
	font-weight: normal;
	font-style: normal;
	font-family: 'codropsicons';
	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 {
	background: #2A3947;
	color: #f0f0f0;
	font-weight: 500;
	font-size: 1em;
	font-family: 'Raleway', Arial, sans-serif;
}

a {
	color: #9DAAB6;
	text-decoration: none;
	outline: none;
}

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

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

/* Header */
.codrops-header {
	padding: 3em 1em 4em;
	text-align: center;
}

.codrops-header h1 {
	font-weight: 800;
	font-size: 3em;
	line-height: 1;
	margin-bottom: 0;
	letter-spacing: -1px;
}

.codrops-header h1 span {
	display: block;
	font-size: 0.45em;
	font-weight: 700;
	padding: 1em;
	color: #16232F;
}

/* Top Navigation Style */
.codrops-links {
	position: relative;
	display: inline-block;
	white-space: nowrap;
	font-size: 1.25em;
	text-align: center;
}

.codrops-links::after {
	position: absolute;
	top: 0;
	left: 50%;
	margin-left: -1px;
	width: 2px;
	height: 100%;
	background: #7b93ab;
	content: '';
	-webkit-transform: rotate3d(0,0,1,22.5deg);
	transform: rotate3d(0,0,1,22.5deg);
}

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

.codrops-icon span {
	display: none;
}

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

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

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

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

.box {
	padding: 1em;
	min-height: 240px;
	text-align: center;
}

.box__title {
	color: rgb(22, 35, 47);
	text-transform: uppercase;
	letter-spacing: 4px;
	font-size: 1.1em;
	margin-bottom: 1.5em;
}

.box__title span {
	display: block;
	letter-spacing: 0;
	font-size: 75%;
	padding-top: 1em;
}

/* Related demos */
.content--related {
	text-align: center;
	color: #D8DADB;
	font-weight: bold;
}

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

.media-item__img {
	opacity: 0.3;
	-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) {
	.codrops-header {
		padding: 3em 10% 4em;
	}
}

@media screen and (max-width: 40em) {
	.codrops-header h1 {
		font-size: 2.8em;
	}
}