Re: [csswg-drafts] [css-scroll-snap-1] Clarify which writing-mode is used for scroll-snap-align, scroll container or snap position element? (#3815)

> @litherum You use the size in the relevant axis. Scroll snapping is essentially one-dimensional.

@fantasai Can you elaborate on "essentially one-dimensional? I've used 2-dimensional scroll snapping on a scroll container than has an inner layout of `grid` with content flowing through the inline and block dimensions. Would the block overflow here be the one essential dimension/axis?


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