Widget padding

Hi, I was wondering if anyone could help me. I’m relatively new to CSS and am not quite sure how to solve this problem, so I’d really appreciate the help.

Basically, the widget padding is fine apart from the right-hand side, where the tweets are overlapping the box meant to contain them. How can I adjust the width or padding of the tweet so that it fits within the box?

https://wordpress.org/plugins/kebo-twitter-feed/