/*
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"
            ]
        }
    },
}

/*
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: {}
    },
}

Remove browsers from PostCSS Config
Remove browsers from PostCSS Config

Specifying browsers via this config is not recommended. The best way to provide browsers is a .browserslistrc file in your project root, or by adding a browserslist key to your package.json. (see: https://github.com/postcss/autoprefixer). However, if you don't define the supported browsers the default browsers option will be used (which is a great setup).
REF: https://github.com/browserslist/browserslist#full-list