Get a list of CSS properties. Or get a list of CSS values of a property.
csstree is used underneath, install it by
# Note the npm package name is css-tree, not csstree!
npm i css-tree
In pulp repl
> import CSS.Property (properties, getValues)
> properties
["--*","-ms-accelerator","-ms-block-progression","-ms-content-zoom-chaining","-ms-content-zooming","-ms-content-zoom-li... ...
> getValues "position"
["static","relative","absolute","sticky","fixed","-webkit-sticky"]