SignUp.tsx

import React from 'react';
import Avatar from '@material-ui/core/Avatar';
import Button from '@material-ui/core/Button';
import CssBaseline from '@material-ui/core/CssBaseline';
import TextField from '@material-ui/core/TextField';
import Link from '@material-ui/core/Link';
import Grid from '@material-ui/core/Grid';
import Box from '@material-ui/core/Box';
import LockOutlinedIcon from '@material-ui/icons/LockOutlined';
import Typography from '@material-ui/core/Typography';
import { makeStyles } from '@material-ui/core/styles';
import Container from '@material-ui/core/Container';
import { GithubLoginButton } from "react-social-login-buttons";

const useStyles = makeStyles(theme => ({
  paper: {
    marginTop: theme.spacing(8),
    display: 'flex',
    flexDirection: 'column',
    alignItems: 'center',
  },
  avatar: {
    margin: theme.spacing(1),
    backgroundColor: theme.palette.secondary.main,
  },
  form: {
    width: '100%', // Fix IE 11 issue.
    marginTop: theme.spacing(3),
  },
  submit: {
    margin: theme.spacing(3, 0, 2),
  },
  or: {
    width: '100%',
    display: 'flex',
    justifyContent: 'center',
    alignItems: 'center',
    marginBottom: 12,
  },

  github: {
    width: '100% !important',
    margin: '0 !important',
  },

  githubText: {
    fontSize: '14px !important',
    fontWeight: 'bold'
  }
}));

const SignUp: React.FC = () => {
  const classes = useStyles();

  return (
    <Container component="main" maxWidth="xs">
      <CssBaseline />
      <div className={classes.paper}>
        <Avatar className={classes.avatar}>
          <LockOutlinedIcon />
        </Avatar>
        <Typography component="h1" variant="h5">
          Sign up
        </Typography>
        <form className={classes.form} noValidate>
          <Grid container spacing={2}>
            <Grid item xs={12}>
              <TextField
                variant="outlined"
                required
                fullWidth
                id="email"
                label="Email Address"
                name="email"
                autoComplete="email"
              />
            </Grid>
            <Grid item xs={12}>
              <TextField
                variant="outlined"
                required
                fullWidth
                name="password"
                label="Password"
                type="password"
                id="password"
                autoComplete="current-password"
              />
            </Grid>
          </Grid>

          <Button
            type="submit"
            fullWidth
            variant="contained"
            color="primary"
            className={classes.submit}
          >
            Sign Up
          </Button>

          <Grid item xs={12}>
            <div className={classes.or}>or</div>
          </Grid>
        </form>

        <Grid container spacing={2}>
          <Grid item xs={12}>
            <GithubLoginButton className={classes.github}>
              <span className={classes.githubText}>Sign up with Github</span>
            </GithubLoginButton>
          </Grid>

          <Grid container justify="flex-end">
            <Grid item>
              <Link href="#" variant="body2">
                Already have an account? Sign in
              </Link>
            </Grid>
          </Grid>
        </Grid>
      </div>
      <Box mt={5}>
        <Typography variant="body2" color="textSecondary" align="center">
          {'Copyright © '}
          <Link color="inherit" href="#">
            My Website
          </Link>{' '}
          {new Date().getFullYear()}
          {'.'}
        </Typography>
      </Box>
    </Container>
  );
}

export default SignUp