Ensure we support Firefox ESR

philwareham · philwareham · commit 1fa8a201f96e · 2020-05-26T13:24:50.000+01:00
diff --git a/package.json b/package.json
@@ -41,7 +41,8 @@
   },
   "browserslist": [
     "> 0.5%",
-    "not ie < 11"
+    "Firefox ESR",
+    "IE 11"
   ],
   "scripts": {
     "test": "grunt travis --verbose"
