better defaults when missing font family

src/definition/table-format.js

@@ -108,35 +108,35 @@ const tableFormat = {
       label: 'FontFamily',
       options: [
         {
-          value: 'QlikView Sans',
+          value: 'QlikView Sans, -apple-system, sans-serif',
           label: 'QlikView Sans'
         },
         {
-          value: 'Arial',
+          value: 'Arial, -apple-system, sans-serif',
           label: 'Arial'
         },
         {
-          value: 'Calibri',
+          value: 'Calibri, -apple-system, sans-serif',
           label: 'Calibri'
         },
         {
-          value: 'Comic Sans MS',
+          value: 'Comic Sans MS, -apple-system, sans-serif',
           label: 'Comic Sans MS'
         },
         {
-          value: 'MS Sans Serif',
+          value: 'MS Sans Serif, serif',
           label: 'MS Sans Serif'
         },
         {
-          value: 'Tahoma',
+          value: 'Tahoma, -apple-system, sans-serif',
           label: 'Tahoma'
         },
         {
-          value: 'Verdana',
+          value: 'Verdana, -apple-system, sans-serif',
           label: 'Verdana'
         }
       ],
-      defaultValue: 'QlikView Sans'
+      defaultValue: 'QlikView Sans, -apple-system, sans-serif'
     },
     DataFontSize: {
       ref: 'lettersize',