content: import React from 'react'
  import HeaderIcons from './HeaderIcons'
  import Settings from './Settings'
  import Help from './Help'
  import Weather from './Weather'
  import Now from './Now'
  import Popup from './Popup'
  import Alert from './Alert'
  import Background from './Background'
  import Graph from './Graph'
  
  import '../styles/app.css'
  import '../styles/tooltip.css'
  
  export default class extends React.Component {
    render() {
      return pug`
        #app
          Background
          #mask
          #body 
            Now
            Help
            HeaderIcons
            Settings              
            Weather                
          Popup
          Alert
          Graph
      `;
    }
  }