Internal links to sections in "Information for Authors" not working OJS

Internal links pointing to various sections in the “Information for Authors” page are not working int OJS while the same code was working in
Below is a sample code. Any help will be appreciated.

<li class="show"><a class="author-link" href="#article_types">Article types</a></li>
<h2 id="article_types"><strong>2.0. Article Types</strong></h2>

I have the same problem. Maybe you have already found a solution?