Hover Effect on Images From Different Directions Using Pure CSS An explanation, and more information, on my blog. A Pen by Dudley Storey on CodePen. License.
OS X Screencast to animated GIF This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle. Instructions To capture the video (filesize: 19MB), using the free "QuickTime Player" application: