.btn-front, .btn-back {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    backface-visibility: hidden;
    transition: transform 0.3s ease;
}

.btn-front {
    transform: rotateY(0deg);
    
    &:hover {
        transform: scale(1.1);
    }
}

.btn-back {
    background: linear-gradient(135deg, #36b54a, #00c1d4);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: rotateY(180deg);

    &:hover {
        background: linear-gradient(135deg, #359243, #00c1d4);
    }
}

.btn-front.flipping {
    animation: rotate 3s ease;
}

.btn-back.flipping {
    animation: desrotate .8s ease;
}

@keyframes rotate {
    0% {
        transform: rotateY(0deg);
    }
    40% {
        transform: rotateY(180deg);
    }
    100% {
        transform: rotateY(0deg);
    }
}
@keyframes desrotate {
    0% {
        transform: rotateY(180deg);
    }

    40% {
        transform: rotateY(0deg);
    }

    100% {
        transform: rotateY(180deg);
    }
}