Heading & image Padding

Hello.
Please can you help with the following:

1. The Heading on my ultimate post widget is displaying as a <p>.
Can this be change to a heading?

2. Featured image – can padding be added?

Link: http://www.bikerguide.co.za

Kind Regards
Simon.

https://ww.wp.xz.cn/plugins/ultimate-posts-widget/