-sand-transform: skew( 45deg, 0deg);
-sand-transform: skew( -17deg, 45deg) rotate(-125deg);
This is a container within an absolutely positioned container within a relatively positioned container

-sand-transform: rotate(30deg) skew(20deg);
This uses the matrix function:
-sand-transform: matrix(-1, 0 , 0, 1, 0, 0);