diff --git a/.browserslistrc b/.browserslistrc
new file mode 100644
index 0000000000..dab99a539b
--- /dev/null
+++ b/.browserslistrc
@@ -0,0 +1,8 @@
+Android 2.3
+Android >= 4
+Chrome >= 20
+Firefox >= 24
+Explorer >= 8
+iOS >= 6
+Opera >= 12
+Safari >= 6
diff --git a/postcss.config.js b/postcss.config.js
deleted file mode 100644
index 13d64ecc18..0000000000
--- a/postcss.config.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
-Copyright 2018 Google LLC
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    https://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-module.exports = {
-    plugins: {
-        autoprefixer: {
-            browsers: [
-                "Android 2.3",
-                "Android >= 4",
-                "Chrome >= 20",
-                "Firefox >= 24",
-                "Explorer >= 8",
-                "iOS >= 6",
-                "Opera >= 12",
-                "Safari >= 6"
-            ]
-        }
-    },
-}