old_contents: import React, { PureComponent } from 'react';
  import Paper from 'material-ui/Paper';
  import RaisedButton from 'material-ui/RaisedButton';
  
  import ListContainer from './ListContainer';
  
  import { redirectToCas } from '../helpers/cas';
  
  export default class Welcome extends PureComponent {
    static styles = {
      root: {
        padding: '1.25rem',
        paddingTop: '0.25rem',
      },
    }
  
    render() {
      const styles = Welcome.styles;
  
      return (
        <ListContainer>
          <Paper style={styles.root}>
            <h1> Welcome to TigerTrade!</h1>
            <p>
              TigerTrade is a place for the Princeton community to buy and share items.
              Please log in to get started!
            </p>
            <RaisedButton label="Log In" primary fullWidth onClick={redirectToCas} />
          </Paper>
        </ListContainer>
      );
    }
  }
  
new_contents: import React, { PureComponent } from 'react';
  import Paper from 'material-ui/Paper';
  import RaisedButton from 'material-ui/RaisedButton';
  
  import ListContainer from './ListContainer';
  
  import { redirectToCas } from '../helpers/cas';
  
  export default class Welcome extends PureComponent {
    static styles = {
      root: {
        padding: '1.25rem',
        paddingTop: '0.25rem',
      },
    }
  
    render() {
      const styles = Welcome.styles;
  
      return (
        <ListContainer>
          <Paper style={styles.root}>
            <h1>Welcome to TigerTrade!</h1>
            <p>
              TigerTrade is a place for the Princeton community to buy and share items.
              Please log in to get started!
            </p>
            <RaisedButton label="Log In" primary fullWidth onClick={redirectToCas} />
          </Paper>
        </ListContainer>
      );
    }
  }
  
subject: Update Welcome.js