@media print
  display none

@media screen and (max-width: 500px) and (min-width: 100px), (max-width: 500px) and (min-height: 200px)
  .foo
    color: #100

.foo
  for i in 1..4
    @media (min-width: 2 * (i + 7) px)
      width: 100px*i