div {
  content: red 2/3 blue;
  content: 0.66667;
  content: number;
  content: color;
  /**** 4 ****/
  content: 0.5 3/40.83333 7/8;
  content: 0.5 3/4, 0.83333 7/8;
  /**** ****/
  foo: 1;
  bar: 2;
  foo: 2;
  bar: 3;
  foo: 0.75;
  bar: 1.75;
  /*** ***/
  stuff: 1, 2 3/4 5, 6;
  stuff: 0.25;
}