color {
  bounds: 0 0 15 15;
  color: rgba(0,0,0,1);
}
transform {
  transform: translate(2, 2.6);
  child: fill {
    child: color {
      bounds: 0 0 50 50;
      color: rgb(0,120,0);
    }
    path: "\
M 0 0\
L 10 0\
L 10 10\
L 0 10\
Z\
M 1 1\
L 1 9\
L 9 9\
L 9 1\
Z";
    fill-rule: winding;
  }
}