pen: [ http://codepen.io/ustvarno/full/mEjBXo/ ]
Before it worked, now it doesn’t on android ( google chrome )
here forked previous version
pen: [ http://codepen.io/ustvarno/pen/jrzjgV ]
but there also start to not working
but here where i took the code for butterfly it works, on android on what i also tried portfolio
http://s.codepen.io/vivinantony/debug/bddxxq
http://www.thelittletechie.com/2015/05/beautiful-butterfly.html