Definition
CSS Typed OM Level 1 defines CSSPerspective
/* Note that skew(x,y) is *not* the same as skewX(x) skewY(y),
thus the separate interfaces for all three. */
[Exposed=(Window, Worker, PaintWorklet, LayoutWorklet)]
interface CSSPerspective : CSSTransformComponent {
constructor(CSSPerspectiveValue length);
attribute CSSPerspectiveValue length;
};