{
  "utrecht": {
    "form-field": {
      "invalid": {
        "border-inline-start": {
          "color": {"value": "{of.color.danger}"},
          "width": {"value": "4px"}
        },
        "padding-inline-start": {"value": "16px"}
      },
      "label": {
        "margin-block-end": {"value": "8px"}
      }
    }
  }
}