text: import React, {Component} from 'react';
  import {MuiThemeProvider} from '@material-ui/core/styles';
  
  import theme from './theme';
  import AppBar from '@material-ui/core/AppBar/AppBar';
  import Button from '@material-ui/core/Button/Button';
  
  class testApp extends Component {
      render() {
          return (
              <MuiThemeProvider theme={theme}>
                  <AppBar position="static">
                      <div>
                          <Button >
                              <div>Button 1</div>
                          </Button>
                          <Button color="secondary">
                              <div>Button 2</div>
                          </Button>
                      </div>
                  </AppBar>
              </MuiThemeProvider>
          );
      }
  }
  
  export default testApp;
  