import React from 'react'; import Button from '@material-ui/core/Button'; import Dialog from '@material-ui/core/Dialog'; import DialogActions from '@material-ui/core/DialogActions'; import DialogContent from '@material-ui/core/DialogContent'; import DialogContentText from '@material-ui/core/DialogContentText'; import DialogTitle from '@material-ui/core/DialogTitle'; class Modules extends React.Component { state = { open: true, }; handleClickOpen = () => { this.setState({ open: true }); }; handleClose = () => { this.setState({ open: false }); }; render() { return (