Tweak autoprefixer settings

Author: fritz-c

Diff for: webpack.config.demo.babel.js

@@ -28,7 +28,7 @@ module.exports = {
         }),
     ],
     postcss: [
-        autoprefixer({ browsers: ['IE >= 9', '> 1%'] }),
+        autoprefixer({ browsers: ['IE >= 9', 'last 2 versions', '> 1%'] }),
     ],
     module: {
         loaders: [

Diff for: webpack.config.dev.babel.js

@@ -24,7 +24,7 @@ module.exports = {
         new webpack.NoErrorsPlugin(),
     ],
     postcss: [
-        autoprefixer({ browsers: ['IE >= 9', '> 1%'] }),
+        autoprefixer({ browsers: ['IE >= 9', 'last 2 versions', '> 1%'] }),
     ],
     module: {
         loaders: [

Diff for: webpack.config.test.babel.js

@@ -23,7 +23,7 @@ module.exports = {
         ]),
     ],
     postcss: [
-        autoprefixer({ browsers: ['IE >= 9', '> 1%'] }),
+        autoprefixer({ browsers: ['IE >= 9', 'last 2 versions', '> 1%'] }),
     ],
     module: {
         preLoaders: [

Diff for: webpack.config.umd.babel.js

@@ -42,7 +42,7 @@ module.exports = {
         }),
     ],
     postcss: [
-        autoprefixer({ browsers: ['IE >= 9', '> 1%'] }),
+        autoprefixer({ browsers: ['IE >= 9', 'last 2 versions', '> 1%'] }),
     ],
     externals,
     module: {