Board Thread:Support Requests - Community Management/@comment-43683531-20200625142128

I want to insert a scroll bar in a specific longer section of a portable infobox using css. But I am a new user so I'm confused on using css. Please help on how to use css! Here are the links:

1) Media wiki css page link of portable infobox:  https://the-disney-fanon.fandom.com/wiki/MediaWiki:Wikia.css

2) Portable infobox link: https://the-disney-fanon.fandom.com/wiki/Template%3AInfobox_Character, in which i want scroll bar in a longer section.

3) Page in which infobox is used: https://the-disney-fanon.fandom.com/wiki/Hiro_Hamada  