Out of stock CSS

.woocommerce span.soldout {
    min-height: 0;
    min-width: 0;
    padding: 0.5em 1em;
    font-weight: 700;
    position: absolute;
    text-align: center;
    line-height: 1.2;
    border-radius: 0.25rem;
    background-color: gray;
    color: #fff;
    font-size: 0.857em;
    z-index: 9;
    top: 6px;
    right: 6px;
    left: auto;
    margin: 0;
}