font size too small

hi matthew …

i have a font size issue with your plugin.
i dont know what happend but my calender event details are so small its hard to read …
and i dont finde the place in the css to change it …
every fontsize is there ready to setup … but the event time/location/details are not.

can you help …
the link to the calendar … if it helps to understand the problem …
https://krokhina.de/?page_id=288

if i change the <p> … of my theme … its getting better … but than the rest of the page will not work … every font is getting to big and nothing fits …

thank you.
bh.

https://www.ads-software.com/plugins/mf-gig-calendar/