div span {
  moo: goo;
}

foo {
  blah: blah;
}
foo goo {
  blee: blee;
  hello: world;
}
foo goo hoo {
  mux: scooba-dee-doo;
  flux: gooboo boo;
}
foo goo hoo d {
  inside: d now;
}
foo blux {
  hey: another thing;
  ho: will this work;
}