3 ms·
Actually, the W3C calls it a "reference pixel": https://www.w3.org/TR/css-values-3/#reference-pixel https://www.w3.org/TR/css-values-3/#reference-pixel -- other
by lstamour 9y ago
Actually, the W3C calls it a "reference pixel": https://www.w3.org/TR/css-values-3/#reference-pixel https://www.w3.org/TR/css-values-3/#reference-pixel -- other units: https://www.w3.org/TR/css-values-3/#lengths https://www.w3.org/TR/css-values-3/#lengths