class App extends Component {
    render() {
        return (
            <>
                <Navbar isDark/>
                <Container style={{marginTop: '20px'}}>
                    <div className="row text-center">
                        <div className="col">
                            <TimeLabel/>
                        </div>
                    </div>
                </Container>
            </>
        );
    }
}

ReactDOM.render(<App />, document.getElementById("root"));