200,
            }
            return (
                <div style={{textAlign: 'center'}}>
                    <label
                        style={{
                            fontSize: '5em',
                            display: 'block',
                            border: '1px solid #ccc',
                        }}
                    >
                        {lapse} ms
                    </label>
                    <button
                        onClick={this.handleRunClick}
                    