Rotating CSS Circles

dabblet.css

/**
 * Rotating CSS Circles
 */

/* Natural box layout model */
 * { -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box; }

.ch-item {
	width: 100%;
	height: 100%;
	border-radius: 50%;
	position: relative;
	box-shadow: 0 1px 2px rgba(0,0,0,0.1);
	cursor: default;
}

.ch-info-wrap{
	position: absolute;
	width: 180px;
	height: 180px;
	border-radius: 50%;

	-webkit-perspective: 800px;
	-moz-perspective: 800px;
	-o-perspective: 800px;
	-ms-perspective: 800px;
	perspective: 800px;

	-webkit-transition: all 0.4s ease-in-out;
	-moz-transition: all 0.4s ease-in-out;
	-o-transition: all 0.4s ease-in-out;
	-ms-transition: all 0.4s ease-in-out;
	transition: all 0.4s ease-in-out;

	top: 20px;
	left: 20px;
	background: #f9f9f9 url(../images/bg.jpg);
	box-shadow: 
		0 0 0 20px rgba(255,255,255,0.2), 
		inset 0 0 3px rgba(115,114, 23, 0.8);
}

.ch-info{
	position: absolute;
	width: 180px;
	height: 180px;
	border-radius: 50%;

	-webkit-transition: all 0.4s ease-in-out;
	-moz-transition: all 0.4s ease-in-out;
	-o-transition: all 0.4s ease-in-out;
	-ms-transition: all 0.4s ease-in-out;
	transition: all 0.4s ease-in-out;
		
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	-o-transform-style: preserve-3d;
	-ms-transform-style: preserve-3d;
	transform-style: preserve-3d;
}

.ch-info > div {
	display: block;
	position: absolute;
	width: 100%;
	height: 100%;
	border-radius: 50%;
	background-position: center center;

	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	-o-backface-visibility: hidden;
	-ms-backface-visibility: hidden;
	backface-visibility: hidden;
}

.ch-info .ch-info-back {
	-webkit-transform: rotate3d(0,1,0,180deg);
	-moz-transform: rotate3d(0,1,0,180deg);
	-o-transform: rotate3d(0,1,0,180deg);
	-ms-transform: rotate3d(0,1,0,180deg);
	transform: rotate3d(0,1,0,180deg);
	
	background: #000;
}

.ch-img-1 { 
	background-image: url(http://lorempixel.com/220/220/);
}

.ch-img-2 { 
	background-image: url(http://lorempixel.com/221/221/);
}

.ch-img-3 { 
	background-image: url(http://lorempixel.com/222/222/);
}

.ch-info h3 {
	color: #fff;
	text-transform: uppercase;
	letter-spacing: 2px;
	font-size: 15px;
	margin: 0 15px;
	padding: 40px 0 0 0;
	height: 90px;
	font-family: 'Open Sans', Arial, sans-serif;
	text-shadow: 
		0 0 1px #fff, 
		0 1px 2px rgba(0,0,0,0.3);
}

.ch-info p,
.ch-info a {
	color: #fff;
	padding: 10px 5px;
	font-style: italic;
	margin: 0 30px;
	font-size: 15px;
	border-top: 1px solid rgba(255,255,255,0.5);
}

.ch-info a:hover {
	color: orange;
}

.ch-item:hover .ch-info-wrap {
	box-shadow: 
		0 0 0 0 rgba(255,255,255,0.8), 
		inset 0 0 3px rgba(115,114, 23, 0.8);
}

.ch-item:hover .ch-info {
	-webkit-transform: rotate3d(0,1,0,-180deg);
	-moz-transform: rotate3d(0,1,0,-180deg);
	-o-transform: rotate3d(0,1,0,-180deg);
	-ms-transform: rotate3d(0,1,0,-180deg);
	transform: rotate3d(0,1,0,-180deg);
}

.ch-grid {
	margin: 20px 0 0 0;
	padding: 0;
	list-style: none;
	display: block;
	text-align: center;
	width: 100%;
}

.ch-grid:after,
.ch-item:before {
	content: '';
    display: table;
}

.ch-grid:after {
	clear: both;
}

.ch-grid li {
	width: 220px;
	height: 220px;
	display: inline-block;
	margin: 20px;
}

dabblet.html

<ul class="ch-grid">
	
	<li> <!-- First -->
		<div class="ch-item ch-img-1">				
			<div class="ch-info-wrap">
				<div class="ch-info">
					<div class="ch-info-front ch-img-1"></div>
					<div class="ch-info-back">
						<h3>Phone<br />number</h3>
						<p>+358456301896</p>
					</div>	
				</div>
			</div>
		</div>
	</li>
	
	<li> <!-- Second -->
		<div class="ch-item ch-img-2">				
			<div class="ch-info-wrap">
				<div class="ch-info">
					<div class="ch-info-front ch-img-2"></div>
					<div class="ch-info-back">
						<h3>Email<br />address</h3>
						<a href ="mailto:joosal@utu.fi">joosal@utu.fi</a>
					</div>	
				</div>
			</div>
		</div>
	</li>

	
	<li> <!-- Third -->
		<div class="ch-item ch-img-3">				
			<div class="ch-info-wrap">
				<div class="ch-info">
					<div class="ch-info-front ch-img-3"></div>
					<div class="ch-info-back">
						<h3>Twitter<br />account</h3>
						<a href="http://twitter.com/sarukuku">@sarukuku</a>
					</div>	
				</div>
			</div>
		</div>
	</li>

</ul>

settings.json

{"view":"separate","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}