trying to remove the period before the blog post categories

Site URL: http://hitonoto.com

hi,

on the blog page, the meta items above the post title showed the date and the blog post category separated by a period, so it looked like this: 

"June 1, 2020 . Diary"

But we wanted to remove the dates, so I put this css in the page header injection box:

<style>
.Blog-meta-item--date {
  display: none !important;
  }
</style>

and that works fine, but the period is still there, so now it looks like this: 

". Diary"

So I'd like to remove that period, but I don't know how. Can anybody help us out?

Thanks!