I was able to take a site backup that I had recently done, and replace the two new eventcalendar directories under the plugins directory, with the old ones, and it restored the old look and feel. WordPress tends to ‘force’ you to update. And when this has a drastic appearance change, it screws up the website. I appreciate the fact that Modern Tribe is trying to make the software better, but when it changes a look and feel of a website, perhaps a choice to keep the older look and feel with a checkbox would be a better solution.