Mega menu : How to remove the sub last post title by category ?

Hello,
after hours trying to remove it, reading on the forum and docs, finally I need help … How to remove it ?

Also forget to ask how to modify the font size of mega menu when scrolling in page ?

Hello,
thanks for your answer.
The site is now under construction and still in private :

Here is the link :
http://www.placeduyoga.com/
– yogiguest
– pdyoga2020

Regards
Olivia

What are you talking about Vlad ?
I think you answer to another one…

Not the subject
No plugin conflict for me,
just need a css or a way in tagdiv to remove the subtitle in the mega menu :
(see first screen shot)

And the way to modify the css font for the mega menu when you scroll or the way to skip it… (see second screen shot)
thank you
Olivia