.product-photo-unavailable img,
.product-gallery-unavailable .main_photo img,
.product-gallery-unavailable .dsp_carousel img,
#colorbox.product-lightbox-unavailable .cboxPhoto {
    filter: grayscale(1);
}
.product-stock-label {
    display: block;
    color: #595959;
    font-size: 14px;
    line-height: 1.4;
    font-weight: 600;
}
.product-price_wrap .product-stock-label { margin-top: 8px; }
.product_mobile_buy_hint .product-stock-label { max-width: 60%; }