how to disable images on sm material ui code example

Example: how to disable images on sm material ui

import React from "react";
import ReactDOM from "react-dom";

import Grid from "@material-ui/core/Grid";
import Box from "@material-ui/core/Box";
import { makeStyles } from "@material-ui/core/styles";

const useStyles = makeStyles({
  gridItem: {
    border: "1px solid red"
  }
});

function App() {
  const classes = useStyles();
  return (
    <Grid
      container
      spacing={1}
      direction="row"
      justify="center"
      alignItems="center"
    >
      <Grid className={classes.gridItem} item xs={12} lg={6}>
        <span>XX</span>
      </Grid>
      <Box
        component={Grid}
        className={classes.gridItem}
        item
        xs={3}
        display={{ xs: "none", lg: "block" }}
      >
        <span>YY</span>
      </Box>
      <Grid
        component={Box}
        className={classes.gridItem}
        item
        xs={3}
        display={{ xs: "none", lg: "block" }}
      >
        <span>ZZ</span>
      </Grid>
    </Grid>
  );
}

const rootElement = document.getElementById("root");
ReactDOM.render(<App />, rootElement);