.contenedor{
	width: 550px;
	height: 350px;
	margin: 0 auto;
	position: relative;
	perspective: 1000;
	-webkit-perspective: 1000;
	-moz-perspective: 1000;
	-o-perspective: 1000;
	transform-style: preserve-3d;
	-moz-transform: perspective(1400px);
	perspective-origin: right;
	margin-top: -20px;
}

.tarjeta{
	width: 550px;
	height: 350px;
	box-shadow: 0 27px 55px 0 rgba(0,0,0,.7), 0 17px 17px 0 rgba(0,0,0,.5);
	position: relative;
	transform: rotate(0deg);
	transform-origin: 100% 0%;
	transform-style: preserve-3d;
	transition: .8s ease-in-out;
}

.front, .back{
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: #C0C0C0;
	backface-visibility: hidden;
}

.back{
	transform: rotateY(-180deg);
	font-family: tahoma;
}

.container:hover .tarjeta{
	transform: rotateY(180deg) translateX(100%);
	cursor: pointer;
}

.lista{
	margin: 0;
	width: 100%;
	list-style: none;
	position: absolute;
	bottom: 30px;
	left: 0;
	padding: 0 1%;
}

ul.lista:after{
	content: '';
	display: table;
	clear: both;
}

ul.lista li{
	width: 31.33%;
	margin: 0 1%;
	float: left;
	padding: 10px;
	border-radius: 4px;
	position: relative;
	text-align: center;
	color: #4e203c;
	border: 2px solid #red;
}