only use safe optimizations for css minification
only use safe optimizations for css minification

jveljan/webpack,bbrietzke/webpack,neonblack-at/webpack,Brandon-Stoyles/webpack,vuejs-templates/webpack,Toilal/vue-webpack-template,pronebel/webpack,twcapps/vue-typescript-boilerplate,twcapps/vue-typescript-boilerplate,Brandon-Stoyles/webpack,bbrietzke/webpack,pronebel/webpack,twcapps/vue-typescript-boilerplate,vuejs-templates/webpack,jveljan/webpack,neonblack-at/webpack,twcapps/vue-typescript-boilerplate,pronebel/webpack,jveljan/webpack,Toilal/vue-webpack-template,vuejs-templates/webpack,Toilal/vue-webpack-template,Brandon-Stoyles/webpack,bbrietzke/webpack,Toilal/vue-webpack-template,neonblack-at/webpack