After responding to your PM that I won't be able to do it because it will be time consuming I still gave it a try because it bothers me to give up in the middle.   In following demo I have just re-implemented the mouse movement and implemented the cursor and target parallax. You should be able to reuse it for multiple elements though i haven't tested it myself, I have just copied your button element to check if it works on multiple elements. Though I don't know what you meant by " the