Let's start with something easy: I'm sure that at some point you will either have used or created image sprites, right? If you're a SASS developer, no doubt you will have availed yourself of the sprite mixins from Compass, and used an app such as Koala to compile, or compiled directly from the command line.
A copy of the relevant files for creating sprites using Compass can be found in the code download that accompanies this book, in the
The process is relatively straightforward, but you still have to set up a
Compass project, install a GUI application (if you're using one), and so on, which is a real pain! We could use an online application such as SpritePad (http://spritepad.wearekiss.com/) instead, ...