alphagov/static — comment on commit b6099ed39f4c783625ecdffa61f498a88d0b0a3b
File:  line 0
By craigw:

At the moment there are quite a few places that have error pages that might be used as 404s. We don't have an easy way to replace them all automatically yet. If the 404 page still looks strange when you're looking at in in preview, this is why. https://www.pivotaltracker.com/story/show/21705701