http://www.aerospike.com/wp-content/plugins/hslide/assets/js/greensock/plugins/CSSPlugin.js
http://emetric.net/Scripts/gsap/src/uncompressed/plugins/CSSPlugin.js
http://newskillsacademy.co.uk/wp-content/plugins/hslide/assets/js/greensock/plugins/CSSPlugin.js