.darken {
    align-items: center;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    height: 100%;
    justify-content: center;
    left: 0px;
    position: absolute;
    top: 0px;
    width: 100%;
}
.popup {
    animation: popup 0.2s;
}
.popup-close {
    animation: popup-close 0.2s;
}
@keyframes popup {
    from {
        opacity: 0;
        transform: scale(2);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}
@keyframes popup-close {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(2);
    }
}