.sold-out-ribbon {
    position: absolute;
    top: 15px;
    left: -40px;
    width: 160%;
    background-color: var(--wp--preset--color--primary, #cc0000);
    color: var(--wp--preset--color--base, #ffffff);
    padding: 6px 0;
    font-weight: bold;
    text-transform: uppercase;
    transform: rotate(-45deg);
    z-index: 100;
    font-family: inherit;
    text-align: center;
    font-size: 14px;
    pointer-events: none;
}
.woocommerce ul.products li.product {
    position: relative;
    overflow: hidden;
}