Spacing gutters break when rows wrap

[sdedios]

There seems to be an issue when using spacing in conjunction with rows that wrap. The problem is that you don't want the first / last items in a row to have spacing before / after themselves respectively.

When items wrap within a row the first item on the next row will have a space before it. This isn't ideal, but it also is a very tricky one to deal with.

It would be great if someone could:

1. Create an example that reproduces this issue.
2. Finds some ways to fix this without causing other problems.