ul.product_list .product-container a,
ul.product_list .product-image-container a,
ul.bxslider .product-box a,
ul.bxslider .product_cms .product_image,
.block_content ul a.products-block-image {
    display:inline-block;
    z-index:1
}
ul.product_list .product-container a img,
ul.product_list .product-image-container a img,
ul.bxslider .product-box a img,
ul.bxslider .product_cms .product_image img,
.block_content ul a.products-block-image {
    position:relative;
    z-index:1
}
ul.product_list .product-container a img + img, 
ul.product_list .product-image-container a img + img, 
ul.bxslider .product-box a img + img, 
ul.bxslider .product_cms .product_image img + img,
.block_content ul a.products-block-image img + img {
    position: absolute;
    left: 0;
    top: 5px;
    right: 0;
    z-index: 0;
    opacity: 0;
}
.block_content ul a.products-block-image img + img {
    top:0
}