Move “Sale” text over image

#1. First, you access Custom CSS box

#2. Enter the code like below and click Save

/* Sale text over image */
.product-mark.sale {
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: black;
    color: white !important;
    padding-left: 5px;
    padding-right: 5px;
    padding-top: 5px;
    padding-bottom: 3px;
}

#3. You will have a result like this