With both rails gone the article takes the full container width — here softened to a centered ten-column reading area so long lines stay comfortable. This is the layout for pages where nothing should compete with the content: landing pages, long-form writing, legal text, and detail pages. Anything with a single message deserves the whole room — which is why detail pages usually start here.

Full width doesn't mean full-width paragraphs. Long lines tire readers; if you're setting a lot of continuous text, keep the centered column and let images, galleries, and tables break out to the container edge when they need it. The layout gives you the room — spend it on the elements that benefit.

Whitespace is the sidebar now. Let it do the framing the rails used to do.

Mixing layouts across a site is the point of the set: a full-width landing page, articles with a right rail, documentation with a left one, and a two-rail hub — all sharing the same header, quote banner, contact block, and footer, so navigation feels seamless while each page gets the arrangement its content wants.

That's the whole tour: four arrangements of the same page, one set of chrome. Pick per page, not per site — and when in doubt, start here with no rails and add one only when a real job shows up for it.