Guide to CSS transitions Posted on Friday, May 17th, 2013 at 7:47 am. PTWritten by Jim Dalrymple I love that these types of transitions no longer require Flash. John C. Bland II Agreed! I still do some Flash stuff for media players but me and most of the Flash devs I know have moved on to html/js. #progress Jeff Slater I’ve had a lot of fun playing around with them too – you can really achieve some great effects. Billy Razzle FLASH MUST DIE!