div {
  content: red 2/3 blue;
  content: 2/3;
  content: number;
  content: color;
  /**** 4 ****/
  content: 0.5 3/40.83333 7/8;
  /**** ****/
  foo: 1;
  bar: 2;
  foo: 2;
  bar: 3;
  foo: 0.75;
  bar: 1.75;
}