Function formatV

packages/core/css/parser.ts:295–304

(align: Parsed<VerticalAlign>, offset: Parsed<LengthPercentage>)

		return align.value;
	}
	function formatV(align: Parsed<VerticalAlign>, offset: Parsed<LengthPercentage>) {
		if (align.value === 'center') {
			return 'center';
		}
		if (offset && offset.value.value !== 0) {
			return { align: align.value, offset: offset.value };
		}

		return align.value;
	}
	let end = start;
	if (keyword && backgroundPositionKeywords.has(keyword.value)) {
		end = keyword.end;