#functions {
  color: #eedd;
  width: increment(15);
  height: undefined("self");
  border-width: add(2, 3);
  variable: increment(10);
}
#built-in {
  escaped: -Some::weird(#thing, y);
  lighten: #ffcccc;
  darken: #330000;
  saturate: #203c31;
  desaturate: #29332f;
  greyscale: #2e2e2e;
  spin-p: #bf6a40;
  spin-n: #bf4055;
  format: "rgb(32, 128, 64)";
  format-string: "hello world";
  eformat: rgb(32, 128, 64);
  hue: 98;
  saturation: 12%;
  lightness: 95%;
}
#alpha {
  alpha: rgba(153, 94, 51, 0.6);
}