[css-anchor-position-1] Allow more properties in position fallbacks · Issue #9195 · w3c/csswg-drafts (original) (raw)

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Description

The current spec only allows inset, sizing and box alignment properties in a @position-fallback rule. This doesn't seem enough.

Consider if the first fallback position is horizontally aligned with the anchor, and the next fallback is vertically aligned. We would likely want different margins, borders and paddings.

So I propose adding border, padding and margin properties into the list of allowed properties.