Authorbox overlays text

As you can see, my Authorbox is overlaying a bit of the text and the facebook-like-button.
Any idea, how I can fix this?
Here the link to my website: http://tsri.ch/zh/wie-sieht-zuerich-im-jahr-2050-aus/

Thanks!

https://ww.wp.xz.cn/plugins/starbox/