.c-list__item-img img{
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.c-single__slider-img iframe,
.c-single__slider-img video{
    width: 100%;
    height: 100%;
    background-color: #000;
}

.c-single__slider-img audio{
    width: 100%;
    height: 100%;
    background-color: transparent;
}