.mf-product-thumbnail {
    position: relative;
}

.mf-product-thumbnail a {
    position: relative;
    z-index: 2;
}

.mf-product-thumbnail a img {
    display: block;
    width: 100%;
    height: auto;
    z-index: 3;
}

.plp-product-label {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.plp-product-label img {
    width: 100%;
    height: auto;
    display: block;
}