.flip-container {
  -ms-perspective: 1000;
  -webkit-perspective: 1000;
  -moz-perspective: 1000;
  -o-perspective: 1000;
  perspective: 1000;
}

	.flip-container:hover .flipper,  
  .flip-container.hover .flipper {
      -ms-transform: rotateY(180deg);
		-webkit-transform: rotateY(180deg);
		-moz-transform: rotateY(180deg);
    -o-transform: rotateY(180deg);
		transform: rotateY(180deg);
	}

	.flip-container:hover .flipper2,  
  .flip-container.hover .flipper2 {
      -ms-transform: rotateY(180deg);
		-webkit-transform: rotateY(180deg);
		-moz-transform: rotateY(180deg);
    -o-transform: rotateY(180deg);
		transform: rotateY(180deg);
	}

.flip-container{
    width: 33.3%;
    min-height: 410px;
    float: left;
}

.front, .back {
	width: 100%;
	min-height: 410px;
    cursor: pointer;
}

.flipper {
	-webkit-transition: 0.6s;
	-webkit-transform-style: preserve-3d;

	-moz-transition: 0.6s;
	-moz-transform-style: preserve-3d;
  
  -o-transition: 0.6s;
	-o-transform-style: preserve-3d;
    
    -ms-transition: 0.6s;
	-ms-transform-style: preserve-3d;

	transition: 0.6s;
	transform-style: preserve-3d;

	position: relative;
}

.flipper2 {
	-webkit-transition: 1.6s;
	-webkit-transform-style: preserve-3d;

	-moz-transition: 1.6s;
	-moz-transform-style: preserve-3d;
  
  -o-transition: 1.6s;
	-o-transform-style: preserve-3d;
    
    -ms-transition: 1.6s;
	-ms-transform-style: preserve-3d;

	transition: 1.6s;
	transform-style: preserve-3d;

	position: relative;
}

.front, .back {
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
  -o-backface-visibility: hidden;
    -ms-backface-visibility: hidden;
	backface-visibility: hidden;

	position: absolute;
	top: 0;
	left: 0;
}

.front {
	z-index: 2;
}

.back {
	-webkit-transform: rotateY(180deg);
	-moz-transform: rotateY(180deg);
  -o-transform: rotateY(180deg);
    -ms-transform: rotateY(180deg);
	transform: rotateY(180deg);
}

.frente-1{
    background: url(img/Animation_1.gif) 0 0 no-repeat;
    background-size: cover;
    background-position: center center;
}

.vuelta-1{
    background: url(img/fondo-azul-vuelta.jpg) 0 0 no-repeat;
    background-size:cover;
    background-position: center center;
}

.frente-2{
    background: url(img/Animation_2.gif) 0 0 no-repeat;
    background-size: cover;
    background-position: center center;
}

.vuelta-2{
    background: url(img/fondo-amarillo-vuelta.jpg) 0 0 no-repeat;
    background-size: cover;
    background-position: center center;
}

.frente-3{
    background: url(img/Animation_3.gif) 0 0 no-repeat;
    background-size: cover;
    background-position: center center;
}

.vuelta-3{
    background: url(img/fondo-aqua-vuelta.jpg) 0 0 no-repeat;
    background-size: cover;
    background-position: center center;
}

.frente-4{
    background: url(img/Animation_4.gif) 0 0 no-repeat;
    background-size: cover;
    background-position: center center;
}

.vuelta-4{
    background: url(img/fondos-rosa-vuelta.jpg) 0 0 no-repeat;
    background-size: cover;
    background-position: center center;
}

.frente-5{
    background: url(img/Animation_5.gif) 0 0 no-repeat;
    background-size: cover;
    background-position: center center;
}

.vuelta-5{
    background: url(img/fondo-verde-vuelta.jpg) 0 0 no-repeat;
    background-size: cover;
    background-position: center center;
}

.frente-6{
    background: url(img/Animation_6.gif) 0 0 no-repeat;
    background-size: cover;
    background-position: center center;
}

.vuelta-6{
    background: url(img/fondo-rojo-vuelta.jpg) 0 0 no-repeat;
    background-size: cover;
    background-position: center center;
}