/* Remove Grand Total image from all product pages */
.single-product img[alt*="Grand total"],
.single-product img[src*="grand total"],
.single-product .product-image img[src*="grand total"],
.single-product .wp-post-image[src*="grand total"],
.single-product .product-summary img[src*="grand total"] {
    display: none !important;
}