User blog comment:Rupert Giles/Layout Changes: Breakpoints and Typography/@comment-24258073-20150527064151/@comment-126761-20150527190153

It looks like your CSS simply doesn't include the Insights module in its targetting for the background image - you'll need to update your custom CSS.

The oversized blog post heading text issue is being investigated.

For the Forum Activity module heading, I think you'll just want to delete (or simplify) this message: