Firefox has maintained the legacy syntax support for the
-moz-transform CSS property that allowed to use lengths or percentages for the
matrix3d functions, e.g.
matrix(1, 2, 3, 4, 5px, 6%). As of Firefox 60, those special cases are no longer handled, and the
-moz-prefixed property will be a simple alias of the standard
transform property, just like
Note that the
-moz-transform support will be removed in the future. Make sure you have the standard alternative.