refine import normalize.css && update

package.json

@@ -22,7 +22,7 @@
     "js-cookie": "2.1.4",
     "jsonlint": "1.6.2",
     "mockjs": "1.0.1-beta3",
-    "normalize.css": "3.0.2",
+    "normalize.css": "7.0.0",
     "nprogress": "0.2.0",
     "screenfull": "3.2.2",
     "showdown": "1.7.1",

src/App.vue

@@ -11,5 +11,6 @@
 </script>
 
 <style lang="scss">
+  @import '~normalize.css/normalize.css';// normalize.css 样式格式化
   @import './styles/index.scss'; // 全局自定义的css样式
 </style>

src/main.js

 import Vue from 'vue'
+import ElementUI from 'element-ui'
+import 'element-ui/lib/theme-default/index.css'
 import App from './App'
 import router from './router'
 import store from './store'
-import 'normalize.css/normalize.css'// normalize.css 样式格式化
-import ElementUI from 'element-ui'
-import 'element-ui/lib/theme-default/index.css'
 import '@/assets/iconfont/iconfont' // iconfont 具体图标见https://github.com/PanJiaChen/vue-element-admin/wiki
 import IconSvg from '@/components/Icon-svg'// svg组件
 import * as filters from '@/filters' // 全局filter