a {
    text-decoration: none;
}

.contenedor {
    max-width: 2000px;
    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);
}

figure {
    /* Nota:
		 width: 402px;
         height: 387px;
	*/
    width: 45vh;
    height: 45vh;
    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;
    padding: 0px;
}

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

figure .trasera {
    position: absolute;
    top: 0;
    color: rgb(10, 9, 9);
    transform: perspective(600px) rotateY(180deg);
    backface-visibility: hidden;
    overflow: auto;
}

figure .trasera .titulo {
    display: flex;
    justify-content: center;
    align-items: center;
    color: rgb(12, 10, 10);
    font-weight: normal;
    margin-bottom: 2vw;
    font-family: 'Roboto', sans-serif;
    font-size: 25px;
}

.tituloo {
    display: flex;
    justify-content: center;
    align-items: center;
    color: rgb(12, 10, 10);
    font-weight: normal;
    margin-bottom: 2vw;
    font-family: 'Roboto', sans-serif;
    font-size: 25px;
}

.tutu {
    color: rgb(12, 10, 10);
    font-weight: normal;
    margin-bottom: 20px;
    font-family: 'Roboto', sans-serif;
    font-size: 1.7vw;
}

.ttutu {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #ED6C7E;
    font-size: 1.3vw;
    padding: 10px;
    margin: 10px;
    color: whitesmoke;
    font-weight: bold;
}

@media screen and (max-width: 991%) {
    figure .trasera {
        /*position: relative;*/
        backface-visibility: visible;
        transform: perspective(2000%) rotateY(0deg);
    }
    .contenedor_tarjeta:hover figure {
        transform: perspective(600px) rotateY(0deg);
    }
}