[تم الحل] i am having issue with one of my posts side banner

Background of the issue:
I am having an issue with one of my posts' side banner on my site الرابط المخفي. I am trying to fix the design of the side banner which includes a table of contents.

Symptoms:
The design of the side banner with the table of contents is broken on the page الرابط المخفي.

Questions: