I used Visual Composer (Woo product widget) to add the possibility to add a product into the shopping cart directly from a blog post. You can see an example here: https://www.laatusuklaa.fi/2017/07/georgia-ramon-coffee-cocoa-nibs-55/
However, what happened on the blog frontpage https://www.laatusuklaa.fi/blogi/ and any category archive page (like https://www.laatusuklaa.fi/category/georgia-ramon/) is that the font used in the preview boxes changed totally:

How can I change it back to normal?