Group Header Status Icon and Color

{
  "$schema": "https://developer.microsoft.com/json-schemas/sp/v2/row-formatting.schema.json",
  "groupProps": {
    "headerFormatter": {
      "elmType": "div",
      "style": {
        "flex-direction": "row"
      },
      "children": [
        {
          "elmType": "div",
          "attributes": {
            "class": "=if(@group.fieldData == 'Pending', 'sp-css-backgroundColor-BgCornflowerBlue', if(@group.fieldData == 'Approved', 'sp-css-backgroundColor-BgMintGreen',if(@group.fieldData == 'On Hold', 'sp-css-backgroundColor-BgGold',if(@group.fieldData == 'Rejected', 'sp-css-backgroundColor-BgCoral','sp-field-borderAllRegular sp-field-borderAllSolid sp-css-borderColor-neutralSecondary'))))"
          },
          "style": {
            "display": "inline-flex",
            "height": "25px",
            "border-radius": "15px",
            "padding-left": "8px",
            "padding-top": "5px"
          },
          "children": [
            {
              "elmType": "span",
              "attributes": {
                "iconName": "=if(@group.fieldData == 'On Hold', 'CirclePauseSolid', if(@group.fieldData == 'Approved', 'SkypeCircleCheck',if(@group.fieldData == 'Pending', 'ClipboardListQuestion',if(@group.fieldData == 'Rejected', 'Blocked','StatusCircleQuestionMark'))))"
              },
              "style": {
                "padding-right": "6px",
                "padding-top": "2px"
              }
            },
            {
              "elmType": "div",
              "style": {
                "display": "inline-flex",
                "padding-right": "9px"
              },
              "children": [
                {
                  "elmType": "div",
                  "style": {
                    "padding-left": "5px"
                  },
                  "attributes": {
                    "class": "ms-fontWeight-bold"
                  },
                  "txtContent": "=@group.count"
                },
                {
                  "elmType": "div",
                  "style": {
                    "padding-left": "5px"
                  },
                  "attributes": {
                    "class": "ms-fontWeight-normal"
                  },
                  "txtContent": "= if(@group.count!= 1,'Items are','Item is')"
                },
                {
                  "elmType": "div",
                  "txtContent": "=@group.fieldData",
                  "attributes": {
                    "title": "=@group.fieldData",
                    "class": "ms-fontWeight-bold"
                  },
                  "style": {
                    "padding-left": "5px"
                  }
                }
              ]
            }
          ]
        }
      ]
    }
  }
}