CSS for top space in tabs content area

I would like to reduce the space between the tabs title section and the first line of content. I have tried to fix with css but so far no luck.

https://caravanholidayrentals.com/caravan-holidays/cala-gran-caravan-holiday-1004/

It’s the space above owner introduction

Many Thanks

Paul

https://www.ads-software.com/extend/plugins/synved-shortcodes/