const unsigned short CSS_MATRIX = 11; 

const unsigned short CSS_MATRIX3D = 21; 

const unsigned short CSS_PERSPECTIVE = 20; 

const unsigned short CSS_ROTATE = 4; 

const unsigned short CSS_ROTATE3D = 17; 

const unsigned short CSS_ROTATEX = 14; 

const unsigned short CSS_ROTATEY = 15; 

const unsigned short CSS_ROTATEZ = 16; 

const unsigned short CSS_SCALE = 5; 

const unsigned short CSS_SCALE3D = 19; 

const unsigned short CSS_SCALEX = 6; 

const unsigned short CSS_SCALEY = 7; 

const unsigned short CSS_SCALEZ = 18; 

const unsigned short CSS_SKEW = 8; 

const unsigned short CSS_SKEWX = 9; 

const unsigned short CSS_SKEWY = 10; 

const unsigned short CSS_TRANSLATE = 1; 

const unsigned short CSS_TRANSLATE3D = 13; 

const unsigned short CSS_TRANSLATEX = 2; 

const unsigned short CSS_TRANSLATEY = 3; 

const unsigned short CSS_TRANSLATEZ = 12; 

readonly attribute unsigned short operationType;