old_contents: import React from 'react';
  import './app.css';
  import Header from 'domain/layout/component/Header';
  import Sidebar from 'domain/layout/component/Sidebar';
  import Aside from 'domain/layout/component/Aside';
  import Footer from 'domain/layout/component/Footer';
  import 'office-ui-fabric-react/dist/css/fabric.css';
  import { connect } from 'react-redux';
  import Auth from 'domain/user/component/auth';
  import Breadcrumbs from 'react-breadcrumbs';
  
  const mapStateToProps = state => ({
    profile: state.user.profile,
    pathname: state.routing.locationBeforeTransitions.pathname,
  });
  
  class App extends React.Component {
  
    render() {
      const children = this.props.children;
  
      return (
        <Auth>
          <div className="app">
            <Header />
            <div className="app-body">
              <Sidebar />
              <main className="main">
                <Breadcrumbs
                  wrapperElement="ol"
                  wrapperClass="breadcrumb"
                  itemClass="breadcrumb-item"
                  separator=""
                  routes={this.props.routes}
                  params={this.props.params}
                />
                <div className="container-fluid">
                  {children}
                </div>
              </main>
              <Aside />
            </div>
            <Footer />
          </div>
        </Auth>
      );
    }
  
  }
  
  App.propTypes = {
    profile: React.PropTypes.object,
    pathname: React.PropTypes.string,
    children: React.PropTypes.node,
  };
  
  export default connect(mapStateToProps)(App);
  
new_contents: import React from 'react';
  import './app.css';
  import Header from 'domain/layout/component/Header';
  import Sidebar from 'domain/layout/component/Sidebar';
  import Aside from 'domain/layout/component/Aside';
  import Footer from 'domain/layout/component/Footer';
  import 'office-ui-fabric-react/dist/css/fabric.css';
  import { connect } from 'react-redux';
  import Auth from 'domain/user/component/auth';
  
  const mapStateToProps = state => ({
    profile: state.user.profile,
    pathname: state.routing.locationBeforeTransitions.pathname,
  });
  
  class App extends React.Component {
  
    render() {
      const children = this.props.children;
  
      return (
        <Auth>
          <div className="app">
            <Header />
            <div className="app-body">
              <Sidebar />
              <main className="main" style={{ paddingTop: '20px' }}>
                <div className="container-fluid">
                  {children}
                </div>
              </main>
              <Aside />
            </div>
            <Footer />
          </div>
        </Auth>
      );
    }
  
  }
  
  App.propTypes = {
    profile: React.PropTypes.object,
    pathname: React.PropTypes.string,
    children: React.PropTypes.node,
  };
  
  export default connect(mapStateToProps)(App);
  
subject: remove breadcrumb