Reply To: Increase the add to cart button size

Hello,

Please use this custom CSS for the grouped products:

.product-type-bundle .bundle_button,
.product-type-simple form.cart,
.woocommerce-variation-add-to-cart {
  display: flex;
}
.product-type-bundle .bundle_button > button,
.product-type-simple form.cart > button,
.woocommerce-variation-add-to-cart > button {
  flex-grow: 1;
}

Best Regards