Most of us don’t like hardcore maths. Wouldn’t it just be easier if we could work in pixels and let something else do the work?
We’ve tried not to make assumptions as to what your project may need. Sassaparilla is just about getting you started.
If you like using variables in your CSS for things like colour, you can using Sass, and Sassaparilla keeps them all in one place for safe keeping.
We use this thing, and have been iterating and improving it for some time. We find it invaluable here at fffunction, and we hope you will too.