.product_items { position: relative; }

.discount-box {
    position: absolute;
    top: 8px;
    right: 8px;
    background: #e30613;
    color: #fff;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: bold;
    line-height: 1.6;
    z-index: 10;
}