.woocommerce ul.products li.product .loop-sku,
.et_pb_wc_products ul.products li.product .loop-sku,
.et_pb_shop ul.products li.product .loop-sku {
margin-top: .25rem;
font-size: 12px;
line-height: 1.3;
color: #666;
display: block;
}