*{
	margin: 0;
	padding: 0;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

.wrap{
	width: 950px;
	margin: 50px auto;
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-pack: center;
	-webkit-justify-content: center;
	-ms-flex-pack: center;
	justify-content: center;
}

.tarjeta-wrap{
	margin: 10px;
	-webkit-perspective: 800;
	perspective: 800;
}

.tarjeta{
	width: 300px;
	height: 350px;
	border-radius: 15px;
	background: #37a4b8;
	position: relative;
	-webkit-transform-style: preserve-3d;
	transform-style: preserve-3d;
	-webkit-transition: .7s ease;
	transition: .7s ease;
	-webkit-box-shadow: 0px 10px 15px -5px rgba(0,0,0,0.65);
	box-shadow: 0px 10px 15px -5px rgba(0,0,0,0.65);
	cursor:pointer;
}

.adelante, .atras{
	width: 100%;
	height: 100%;
	position: absolute;
	justify-content: center;
	align-items: center;
	border-radius: 15px;
	cursor:pointer;
	top: 0;
	left: 0;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
}

.adelante{
	width: 100%;
}

.atras{
	-webkit-transform: rotateY(180deg);
	transform: rotateY(180deg);

	padding: 15px;
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-pack: center;
	-webkit-justify-content: center;
	-ms-flex-pack: center;
	justify-content: center;
	-webkit-box-align: center;
	-webkit-align-items: center;
	-ms-flex-align: center;
	align-items: center;

	text-align: center;
	color: rgb(73, 72, 72);
	font-family: "open sans";
}

.tarjeta-wrap:hover .tarjeta{
	-webkit-transform: rotateY(180deg);
	transform: rotateY(180deg);
	cursor:pointer;
}
.card1{
	background-image: url(/img/1.jpg);
	background-size: cover;
}
.card2{
	background-image: url(/img/2.jpg);
	background-size: cover;
}
.card3{
	background-image: url(/img/3.jpg);
	background-size: cover;
}
.card4{
	background-image: url(/img/4.jpg);
	background-size: cover;
}
.card5{
	background-image: url(/img/5.jpg);
	background-size: cover;
}
.card6{
	background-image: url(/img/6.jpg);
	background-size: cover;
}
.card7{
	background-image: url(/img/7.jpg);
	background-size: cover;
}
.card8{
	background-image: url(/img/8.jpg);
	background-size: cover;
}
.card9{
	background-image: url(/img/9.jpg);
	background-size: cover;
}