.flip.flip-fade {
    .Side0, .Side1 {
        transition-property: opacity;
    }
    .Side1 {
        transform: rotateY(0deg);
        opacity: 0;
    }
    &.active {
        .Side0 {
            transform: rotateY(0deg);
            opacity: 0;
        }
        .Side1 {
            transform: rotateY(0deg);
            opacity: 1;
        }
    }
}