.page_wrap as outer container for all page sections (why? top-level style root? do header / footer go inside or outside? how different from <main/> or <body/>?)
.content_wrap_fluid for content constrained to (grid max width - padding)
Style Guide Helpers
._style_guide_page_wrap as outer container for all page sections (why? top-level style root? do header / footer go inside or outside? how different from <main/> or <body/>?)
.page_wrap as outer container for all page sections (why? top-level style root? do header / footer go inside or outside? how different from <main/> or <body/>?)