libsass-dev 3.3.4-1 (amd64 binary) in ubuntu xenial

 Sass is a pre-processing language for CSS. It allows you to write
 cleaner stylesheets and makes collaboration on your CSS a breeze.
 .
 LibSass is a C/C++ port of the Sass engine. The point is to be simple,
 fast, and easy to integrate.
 .
 This package provides header files for developing your applications to
 use libsass template engine.