ant-design/site/theme/template/Layout/Header/Github.tsx

import * as React from 'react';
import classNames from 'classnames';
import GitHubButton from 'react-github-button';
import './Github.less';

export interface GithubProps {
  responsive: null | 'narrow' | 'crowded';
}

export default ({ responsive }: GithubProps) => {
  return (
    <GitHubButton
      id="github-btn"
      className={classNames({
        'responsive-mode': responsive,
        [`responsive-${responsive}`]: responsive,
      })}
      type="stargazers"
      namespace="ant-design"
      repo="ant-design"
    />
  );
};