This div element feels redundant

[joostf]

https://github.com/fdnd/styleguide/blob/78f3fc25bf4333f931db6f0c84c4edab5aec45a4/fdnd.css#L242-L249

We don't need to separate the heading from the rest of the sections content, we can solve this with a negative margin on the heading, pulling it out of the section / article element.