Hi Nasser,
The main issue was that tex4ht puts no space after the
> local TOC and the main text of the section, which makes the
> page look little ugly.
>
> I wanted a way to increase the vertical space between the TOC and main
> text a little. All other things I tried was making the vertical
> space too large.
>
The correct solution is to use CSS:
\Preamble{xhtml}
\Css{.sectionTOCS{margin-bottom:2rem;}}
\begin{document}
\EndPreamble
Adjust the value of the margin to your desired size.
Best regards,
Michal
