History of scale()

Added 'CSS Function' tag

Fix mismatched comment

Number values were not correct in last correction.

With transform: scale(), when sy is "not present, its default value is sx". ` scaleX(2)` and `scale(2)` are not the same. See: https://jsfiddle.net/b3gdwftn/

removing nbsp; for 1240519

adding sidebar + example