wp-calypso/client/devdocs/welcome.jsx

import { Card } from '@automattic/components';
import { PureComponent } from 'react';
import noSitesIllustration from 'calypso/assets/images/illustrations/illustration-nosites.svg';

export default class extends PureComponent {
	static displayName = 'DevWelcome';

	render() {
		return (
			<Card className="devdocs__welcome">
				<h1 className="devdocs__welcome-title">Welcome to WP Calypso!</h1>
				<img alt="" className="devdocs__welcome-illustration" src={ noSitesIllustration } />
				<p>
					This is your local running copy of Calypso. If you want a quick start,{ ' ' }
					<a href="/devdocs/docs/guide/index.md">check the Guide</a>. To access the documentation at
					any time, use the small badge in the bottom right corner.
				</p>
			</Card>
		);
	}
}