useful utilities for working with Sass

 sass-extras is a collection of Sass functions
 for using SVG inline, generating random colors,
 system font stack, PRNG, and more...
 .
 Sass makes CSS fun again.
 Sass is an extension of CSS3,
 adding nested rules, variables, mixins, selector inheritance, and more.
 .
 Sass can be encoded in either of two formats - SASS and SCSS.
 These mixins are provided in SCSS format.