JSON code to alter fontSize of a global filter (default global filter does not have JSON code so it does not match list selectors. It looks very amateurish so extra JSON has to be coded.. (fontSize:16)

   "filterpanel_3": {
                "parameters": {
                    "filterItemOptions": {
                        "propertyColor": "#091A3E",
                        "valueColor": "#16325C"
                    },
                    "filters": [
                        {
                            "dataset": {
                                "name": "zds_OpptyLineItemNew"
                            },
                            "field": "insideOutsideUserField"
                        }
                    ],
                    "itemsPerRow": 1,
                    "showAllFilters": false,
                    "title": {
                        "separatorColor": "#E6ECF2",
                        "text": {
                            "align": "left",
                            "color": "#091A3E",
                            "fontSize": 16,
                            "label": "Inside or Field Sales"
                        },
                        "visible": true
                    }
                },
                "type": "filterpanel"
            },
            "listselector_12": {
                "parameters": {
                    "compact": false,
                    "displayMode": "combo",