This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.
To capture the video (filesize: 19MB), using the free "QuickTime Player" application:
// source: https://gist.github.com/adunkman/2580972 | |
// background transparency | |
background-transparency(hexColor, alpha = 1) | |
ms-color = argb(hexColor, alpha) | |
background hexToRgb(hexColor) | |
background rgba(hexColor, alpha) | |
.mod-no-rgba & | |
*zoom 1 | |
background transparent |