{
  "$schema": "https://developer.microsoft.com/json-schemas/sp/v2/row-formatting.schema.json",
  "hideColumnHeader": true,
  "hideSelection": true,
  "rowFormatter": {
    "elmType": "div",
    "style": {
      "display": "flex",
      "flex-direction": "column"
    },
    "children": [
      {
        "elmType": "div",
        "txtContent": "[$Title]",
        "attributes": {
          "class": "='ms-fontColor-neutral' + if(@rowIndex==0,'Primary',if(@rowIndex==1,'Secondary','Tertiary')"
        },
        "style": {
          "font-size": "=if(@rowIndex==0,'42px',if(@rowIndex==1,'28px','16px')",
          "padding-bottom": "8px"
        }
      }
    ]
  }
}