.product.outofstock .premium-woo-product-thumbnail::before{content:"Out of Stock";position:absolute;z-index:2;background-color:#d9534f;color:white;font-size:12px;font-weight:700;text-transform:uppercase;text-align:center;padding:6px 40px;top:20px;left:-35px;transform:rotate(-45deg);box-shadow:0 1px 3px rgba(0,0,0,.3)}