@bigfishtv/cockpit/src/components/container/tabs/Tab.js

import React, { Component } from 'react'
import PropTypes from 'prop-types'
export default class Tab extends Component {
	static propTypes = {
		title: PropTypes.string.isRequired,
		className: PropTypes.string,
		selected: PropTypes.bool,
		children: PropTypes.node.isRequired,
	}

	render() {
		return <div className="tab-content">{this.props.children}</div>
	}
}