Add line breaks between rules.
Remove block button from narrow view for consistency with other button types.
Replace single quote with double quotes for attribute selectors.
Narrow text attributes for form-stacked to avoid targeting buttons.
Include all text-like INPUT elements for collapse to block in narrow view.
Convert tabs to spaces.
Merge branch 'consistent-buttons' of github.com:msweeney/pure into msweeney-buttons

Conflicts:
	src/forms/css/forms.css