.backdrop{
    display: none;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background-color: hsla(0, 0%, 0%, 0.5);
    z-index: 11;
}
.shown{
    display: flex;
}

#swiper{
    width: 90%;
    height: calc(830 / 1100 * 90vw);
    max-width: 700px;
    max-height: 500px;
    padding-top: 4em;
    position: relative;
    color: #fff;
}

.swiper-close{
    width: 3em;
    height: 3em;
    position: absolute;
    top: 6%;
    right: -2%;
    cursor: pointer;
    z-index: 12;
}

.swiper-slide__img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}


@media (max-width: 767px) {
    .swiper__btn:after{
        font-size: 2.5em;
    }
}