{
  "custom-media": {
    "--mq-a": "(max-width: 30em), (max-height: 30em)",
    "--mq-b": "screen and (max-width: 30em)",
    "--not-mq-a": "not all and (--mq-a)",
    "--circular-mq-a": "(--circular-mq-b)",
    "--circular-mq-b": "(--circular-mq-a)",
    "--min": "(min-width: 320px)",
    "--max": "(max-width: 640px)",
    "--concat": "(min-width: 320px) and (max-width: 640px)"
  }
}