add_action( 'after_setup_theme', function () {
	add_theme_support( 'custom-logo', array(
		'height'      => 60,
		'width'       => 240,
		'flex-height' => true,
		'flex-width'  => true,
	) );
} );

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://zeleneupratovanie.com/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://zeleneupratovanie.com/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://zeleneupratovanie.com/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://zeleneupratovanie.com/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://zeleneupratovanie.com/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>