.pronto-seo-facets-rule-top:not(:has(.fibofilters-seo-rule-placeholder-top-desc:not(:empty))),
.pronto-seo-facets-rule-bottom:not(:has(.fibofilters-seo-rule-placeholder-bottom-desc:not(:empty))) {
    display: none;
}

header.woocommerce-products-header:not(:has(> :not(.pronto-seo-facets-rule-top))):has(> .pronto-seo-facets-rule-top:not(:has(.fibofilters-seo-rule-placeholder-top-desc:not(:empty)))) {
    margin-bottom: 0;
}