text: import React from "react";
  import Link from "@material-ui/core/Link";
  import Typography from "@material-ui/core/Typography";
  import Box from '@material-ui/core/Box';
  
  export default function Copyright() {
    return (
      <Box mt={8}>
        <Typography variant="body2" color="textSecondary" align="center">
          {"Copyright © "}
          <Link color="inherit" href="https://github.com/SiteHuang">
            Online Burger -- @Designed by Site Huang
          </Link>{" "}
          {new Date().getFullYear()}
          {"."}
        </Typography>
      </Box>
    );
  }
  