abs() and sign()The abs() and sign() CSS functions compute the absolute value or the sign of the input.cssCSSnewly2025-06-26https://drafts.csswg.org/css-values-4/#sign-funcshttps://developer.mozilla.org/docs/Web/CSS/Reference/Values/abscss.types.abscss.types.signhttps://nowyoucanuse.com/features--abs-sign.html