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Gecko:CSSScrollSnapping: Difference between revisions
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For an element E with 'scroll-snap-vertical' not 'none', the set of ''vertical snapping positions'' is the union of | For an element E with 'scroll-snap-vertical' not 'none', the set of ''vertical snapping positions'' is the union of | ||
* For each descendant D of E for which E is the nearest scrollable ancestor, where D's value of 'scroll-snap-edge' | * For each descendant D of E for which E is the nearest scrollable ancestor, where D's value of 'scroll-snap-edge' contains 'margin-top', the top edge of the first margin-box of D if there is one. | ||
* For each descendant D of E for which E is the nearest scrollable ancestor, where D's value of 'scroll-snap-edge' | * For each descendant D of E for which E is the nearest scrollable ancestor, where D's value of 'scroll-snap-edge' contains 'top', the to edge of the first border-box of D if there is one. | ||
* Zero. | * Zero. | ||
For an element E with 'scroll-snap-vertical' not 'none', the set of ''horizontal snapping positions'' is the union of | For an element E with 'scroll-snap-vertical' not 'none', the set of ''horizontal snapping positions'' is the union of | ||
* For each descendant D of E for which E is the nearest scrollable ancestor, where D's value of 'scroll-snap-edge' | * For each descendant D of E for which E is the nearest scrollable ancestor, where D's value of 'scroll-snap-edge' contains 'margin-left', the left edge of the first margin-box of D if there is one. | ||
* For each descendant D of E for which E is the nearest scrollable ancestor, where D's value of 'scroll-snap-edge' | * For each descendant D of E for which E is the nearest scrollable ancestor, where D's value of 'scroll-snap-edge' contains 'left', the left edge of the first border-box of D if there is one. | ||
* Zero. | * Zero. | ||