@OSUblake thanks a lot, I tried again. and i get the point
http://codepen.io/mactive/pen/zNMOBr
your demo has same color, because of css> svg * > stroke: currentColor
and i saw that in vars:Object ,autoCss we can set css-property so i can control opacity to show or hide
and i can give paths different class or id, and control them one by one if
I tried like this http://codepen.io/mactive/pen/zNMOBr