woocommerce/plugins/woocommerce-admin/client/products/product-title.scss

.woocommerce-product-title {
	display: flex;
	align-items: center;

	@include breakpoint( "<782px" ) {
		flex-direction: column;
		align-items: baseline;

		.woocommerce-product-breadcrumbs {
			font-size: 13px;
		}
	}
}