.promotion-cards__card {
    display: block;
    margin-bottom: 15px;
    overflow: hidden;
    border-radius: 8px;
}
.promotion-cards__card > img {
    width: 100%;
    display: block;
}
.promotion-cards__card:last-child {
    margin-bottom: 0;
}
.promotion_img{
    width: 100%;
    border-radius: 8px;
}
.promotion-cards__card img{
    width: 100%;
    border-radius: 8px;  
}