app_vue2/config/nuxtConfig/head.js

export default {
  // Global page headers (https://go.nuxtjs.dev/config-head)
  head: {
    titleTemplate: '%s - admin',
    title: 'admin',
    meta: [
      { charset: 'utf-8' },
      { name: 'viewport', content: 'width=device-width, initial-scale=1' },
      { hid: 'description', name: 'description', content: '' }
    ],
    link: [
      { rel: 'icon', type: 'image/x-icon', href: '/favicon.ico' }
    ]
  },

  // Global CSS (https://go.nuxtjs.dev/config-css)
  // (https://nuxtjs.org/docs/2.x/features/configuration#the-css-property)
  css: [
    '~/assets/css/import.scss',
    '~/assets/css/global.scss',
    '@fortawesome/fontawesome-free/css/all.css'
  ]
}