With hayaku you don't need to remember abbreviations and use cheatsheets. You can write just any way you like the abbreviations to be and Hayaku would try it's best to guess what you need.
That way all those abbreviations are equal:
Hayaku gives you a way to write numeric and color values very fast. Just write numbers or colors with hash symbol after the property abbreviation and Hayaku would make everything for you:
Hayaku supports the majority of the Zen Coding's CSS abbrevations, so it would be easy to use Hayaku.
That's it, you can use abreviations like pos:a or f:l, but you can use the shorter variants Hayaku provide, like poa and fl
Right now Hayaku is in open alpha, so it lacks a lot of things. Here are the features that we'd try to deliver at beta.