there is no result. thanks for the answer!
loading of a child theme has also not helped!
It is strange that I am not able to do it itself in the editor by means of templates. ( content-page.php and content-single.php)—-I can’t find tags there h1/h2 ???
show me please how to make on all pages of the website class=”site-description” without tags<h 1,2,3,4,5,6
then on each page of the website about one H1 tag in the place necessary to me will turn out