fix global import of variables, mixins, etc.

vue.config.js

@@ -11,7 +11,7 @@ module.exports = {
   css: {
     loaderOptions: {
       sass: {
-        prependData: '@import "@/assets/scss/_variables.scss";'
+        prependData: '@import "@/assets/scss/globals.scss";'
       }
     }
   },