feat(renderer): add onChange

rollup.config.js

@@ -1,6 +1,8 @@
 import resolve from 'rollup-plugin-node-resolve';
 import commonjs from 'rollup-plugin-commonjs';
 import babel from 'rollup-plugin-babel';
+import postcss from 'rollup-plugin-postcss';
+import autoprefixer from 'autoprefixer';
 
 import pkg from './package.json';
 
@@ -18,6 +20,9 @@ export default [{
 			}
 		},
 		plugins: [
+			postcss({
+				plugins: [autoprefixer()]
+			}),
 			resolve(),
 			babel({
 				exclude: 'node_modules/**'