JavaScript Sass

#Variables

$font-stack:    Helvetica, sans-serif;
$primary-color: #333;

body {
  font: 100% $font-stack;
  color: $primary-color;
}

Variables start with a $, and are separated from their values by a colon, and end with a semi-colon.

Calling a variable is just like any CSS value.

#Mixins