npm install iron-grid-system --save

yarn install iron-grid-system

import { createApp } from "vue";
import App from "./App.vue";
import 'iron-grid-system/dist/style.css';

const app = createApp(App);
app.mount("#app");

<script>
import { defineComponent } from 'vue';
import { Container, Row, Col } from 'iron-grid-system';

export default defineComponent({
  name: 'ServeDev',
  components: {
    Container,
    Row,
    Col,
  },
});
</script>

<template>
  <div id="app">
    <Container>
      <Row>
        <Col :cols="6">
          <h1>Demo 1</h1>
        </Col>
        <Col :cols="6">
          <h1>Demo 2</h1>
        </Col>
      </Row>
    </Container>
  </div>
</template>

import { createApp } from "vue";
import App from "./App.vue";

import "./assets/custom.scss";

const app = createApp(App);
app.mount("#app");

@import "../../node_modules/iron-grid-system/src/style/iron-variables";

$grid-columns: 12;
$container-max-width: 1000px;
$container-gutter: 0px;
$grid-gutter: (0, 4, 8);

$breakpoints: (
  sm: "(max-width: 480px)",
  md: "(min-width: 481px) and (max-width: 767px)",
  lg: "(min-width: 768px) and (max-width: 1024px)",
  xl: "(min-width: 1025px)",
);

@import "../../node_modules/iron-grid-system/src/style/iron-container";
@import "../../node_modules/iron-grid-system/src/style/iron-row";
@import "../../node_modules/iron-grid-system/src/style/iron-col";