Get rid of container-fluid from main element id.
Get rid of container-fluid from main element id.

I'm pretty sure this doesn't break anything but keeping this commit
separate just in case.

woodymit/millstone_accidental_source,woodymit/millstone,churchlab/millstone,churchlab/millstone,churchlab/millstone,woodymit/millstone,woodymit/millstone,woodymit/millstone,woodymit/millstone_accidental_source,woodymit/millstone_accidental_source,woodymit/millstone_accidental_source,churchlab/millstone