Event widget issues after WP update

Hello,

I have been using the plugin for a couple of years now and it always worked perfectly!
Specifically, I use the event list widget on my website (www.rema.org.br).

After some WP update, we’re having issues with the widget:

1) Unusual space between the first event shown and the rest;
2) Pagination buttons placed to the very bottom of the website;
3) Pagination buttons not working.

How can we solve these?

Thank you in advance.