.product-block .product-list .item .img
{
    position: relative;
}

body .product-block .product-list .item .img skidka {
position: absolute;
    right: 0;
    color: #fff;
    font-size: 19px;
    font-weight: 500;
    padding: 4px;
    background: #ffa800;
    border: solid 1px #df9404;
}
.product-block.viewed
{

    margin-top: 18px;
    padding-top: 17px;
    border-top: 1px solid #ddd;
}