tootlab-mastodon/app/javascript/mastodon/components/logo.js

import React from 'react';

const Logo = () => (
  <svg viewBox='0 0 261 66' className='logo' role='img'>
    <title>Mastodon</title>
    <use xlinkHref='#logo-symbol-wordmark' />
  </svg>
);

export default Logo;