.js-store-product.js-product::before {
content: attr(data-product-inv) " шт осталось";
font-family: 'Tilda Sans',Arial,sans-serif;
font-size: 18px;
color: #000000;
background-color: #ffffff;
margin-left: 0px;
padding: 2px 8px;
position: absolute;
top: 10px;
}