container1: {
  container2: {
    container3: {
      grid-rows: 1

      first: {
        label.near: outside-top-center
        child: {
          label.near: outside-bottom-center
        }
      }
      second: {
        label.near: outside-top-center
        child: {
          label.near: outside-bottom-center
        }
      }
      third: {
        label.near: outside-top-center
      }
    }
  }
}