Hello,
Thank you so much purchasing our theme and contacting our support center.
Try to add the following code snippet to the Custom CSS area in Theme Settings to fix this issue.
@media (max-width: 991px) {
.woocommerce-checkout-review-order-table .product-name,
.woocommerce-checkout-review-order-table .product-total {
font-size: 14px;
}
table.woocommerce-checkout-review-order-table tfoot .order-total th,
table.woocommerce-checkout-review-order-table tfoot .order-total td > strong {
font-size: 18px;
}
}
Kind Regards
XTemos Studio