.preview_picture.preview_picture_big{
    max-height: 400px;
    width: auto;
    margin: 0 auto 15px;
}

.preview_picture.preview_picture_small{
    cursor: pointer;
    margin: 0 7px;
}

.slick-track{
    display: flex !important;
    align-items: center;
}

.slide-name{
    line-height: 26px;
}

.slider-block{
    max-width: 820px;
    margin: 0 auto;
}