how to include scss in vue 3 code example

Example 1: setup scss in vue

npm i node-sass sass-loader

// create the path: styles/main.scss in your src directory
–src
  |––styles
  |––main.scss

// add this to your vue.config.js file in the root directory
module.exports = {
  css: {
    loaderOptions: {
      sass: {
        prependData: `@import "@/styles/_variables.scss";`
      }
    }
  }
};

Example 2: importing scss into vue component

<style lang="scss">
    @import 'sass/app.scss';
    html, body{
        margin: 0px;
        padding: 0px;
        background-color: $secondary-color;
    }
</style>