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

.contenedor {
    max-width: 1200px;
    margin: 50px auto;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
}

.contenedor_tarjeta {
    margin: 20px;
}

.contenedor_tarjeta a {
    display: inline-block;
}

.contenedor_tarjeta:hover figure {
    transform: perspective(600px) rotateY(180deg);
    -webkit-box-shadow: 0px 2px 10px 2px rgba(0, 0, 0, 0.25);
    -moz-box-shadow: 0px 2px 10px 2px rgba(0, 0, 0, 0.25);
    box-shadow: 0px 2px 10px 2px rgba(0, 0, 0, 0.25);
}

.contenedor_tarjeta:hover figure img {
    /* Si queremos podemos aplicar un efecto blur a nuestra imagen al girar */
    /*filter:blur(2px);*/
}

figure {
    width: 170px;
    height: 198px;
    margin: 0;
    position: relative;
    transition: all ease .5s;
    transform-style: preserve-3d;
    /* Nota:
		Establecemos que la imagen tendra una rotacion de 0grados al inicio porque si no
		ponemos esta propiedad nos da un poco de problemas en algunos navegadores al pasar el cursor.
	*/
    transform: perspective(600px) rotateY(0deg);
}

figure .frontal,
figure .trasera {
    width: 100%;
    height: 100%;
    border-radius: 5px;
    transition: all ease .5s;
}

figure .frontal {
    display: block;
    background: #000;
    /* Podemos ocultar la imagen al da la vuelta si lo queremos */
    /*backface-visibility: hidden;*/
}

figure .trasera {
    position: absolute;
    top: 0;
    padding: 20px;
    color: #fff;
    transform: perspective(600px) rotateY(180deg);
    backface-visibility: hidden;
    overflow: auto;
}

.contenedor_tarjeta:nth-child(1) figure .trasera {
    background: rgba(223, 234, 241, 0.7);
    background: -moz-linear-gradient(top, rgba(223, 234, 241, 0.7) 0%, rgba(15, 99, 144, 1) 100%);
    background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(223, 234, 241, 0.7)), color-stop(100%, rgba(15, 99, 144, 1)));
    background: -webkit-linear-gradient(top, rgba(223, 234, 241, 0.7) 0%, rgba(15, 99, 144, 1) 100%);
    background: -o-linear-gradient(top, rgba(223, 234, 241, 0.7) 0%, rgba(15, 99, 144, 1) 100%);
    background: -ms-linear-gradient(top, rgba(223, 234, 241, 0.7) 0%, rgba(15, 99, 144, 1) 100%);
    background: linear-gradient(to bottom, rgba(223, 234, 241, 0.7) 0%, rgba(15, 99, 144, 1) 100%);
    filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#dfeaf1', endColorstr='#0f6390', GradientType=0);
}

.contenedor_tarjeta:nth-child(2) figure .trasera {
    background: rgba(251, 232, 202, 0.7);
    background: -moz-linear-gradient(top, rgba(251, 232, 202, 0.7) 0%, rgba(25, 44, 72, 1) 100%);
    background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(251, 232, 202, 0.7)), color-stop(100%, rgba(25, 44, 72, 1)));
    background: -webkit-linear-gradient(top, rgba(251, 232, 202, 0.7) 0%, rgba(25, 44, 72, 1) 100%);
    background: -o-linear-gradient(top, rgba(251, 232, 202, 0.7) 0%, rgba(25, 44, 72, 1) 100%);
    background: -ms-linear-gradient(top, rgba(251, 232, 202, 0.7) 0%, rgba(25, 44, 72, 1) 100%);
    background: linear-gradient(to bottom, rgba(251, 232, 202, 0.7) 0%, rgba(25, 44, 72, 1) 100%);
    filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#fbe8ca', endColorstr='#192c48', GradientType=0);
}

.contenedor_tarjeta:nth-child(3) figure .trasera {
    background: rgba(95, 58, 53, 0.7);
    background: -moz-linear-gradient(top, rgba(95, 58, 53, 0.7) 0%, rgba(221, 32, 47, 1) 100%);
    background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(95, 58, 53, 0.7)), color-stop(100%, rgba(221, 32, 47, 1)));
    background: -webkit-linear-gradient(top, rgba(95, 58, 53, 0.7) 0%, rgba(221, 32, 47, 1) 100%);
    background: -o-linear-gradient(top, rgba(95, 58, 53, 0.7) 0%, rgba(221, 32, 47, 1) 100%);
    background: -ms-linear-gradient(top, rgba(95, 58, 53, 0.7) 0%, rgba(221, 32, 47, 1) 100%);
    background: linear-gradient(to bottom, rgba(95, 58, 53, 0.7) 0%, rgba(221, 32, 47, 1) 100%);
    filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#5f3a35', endColorstr='#dd202f', GradientType=0);
}

figure .trasera .titulo {
    color: #fff;
    font-weight: normal;
    margin-bottom: 20px;
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
}

figure .trasera hr {
    height: 2px;
    background: #fff;
    border: none;
    margin-bottom: 20px;
    opacity: .5;
}

figure .trasera p {
    font-family: 'Open Sans', sans-serif;
    line-height: 22px;
    font-size: 14px;
}

@media screen and (max-width: 992px) {
    figure .trasera {
        /*position: relative;*/
        backface-visibility: visible;
        transform: perspective(600px) rotateY(0deg);
    }
    .contenedor_tarjeta:hover figure {
        transform: perspective(600px) rotateY(0deg);
    }
}