ol#products-list .ccb_image:before {content: "";position: absolute;width: 50px;height: 50px;top: 0;left: 30;background-image: url(https://www.bassan.com/skin/frontend/default/bassan2016/images/topcorner.png);background-size: 100%;}

ol#products-list .ccb_image {
    position: relative;
}