new_contents: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  
  from wdom.tag import NewTagClass as NewTag
  from wdom.tag import *
  
  
  css_files = [
      '//fonts.googleapis.com/css?family=Roboto:300,300italic,700,700italic',
      '//cdnjs.cloudflare.com/ajax/libs/normalize/3.0.3/normalize.css',
      '//cdnjs.cloudflare.com/ajax/libs/milligram/1.1.0/milligram.min.css'
  ]
  
  DefaultButton = NewTag('DefaultButton', 'button', Button, class_='button-outline')
  InfoButton = NewTag('InfoButton', 'button', Button, class_='button-outline')
  PrimaryButton = NewTag('PrimaryButton', 'button', Button, class_='button-primary')
  LinkButton = NewTag('LinkButton', 'button', Button, class_='button-clear')
  Button = NewTag('Button', 'button', DefaultButton, class_='button-outline')
  
  Container = NewTag('Container', 'div', class_='container')
  Wrapper = Container
  Row = NewTag('Row', 'div', class_='row')
  Col1 = NewTag('Col', 'div', class_='one column')
  Col2 = NewTag('Col', 'div', class_='two columns')
  Col3 = NewTag('Col', 'div', class_='three columns')
  Col4 = NewTag('Col', 'div', class_='four columns')
  Col5 = NewTag('Col', 'div', class_='five columns')
  Col6 = NewTag('Col', 'div', class_='six columns')
  Col7 = NewTag('Col', 'div', class_='seven columns')
  Col8 = NewTag('Col', 'div', class_='eight columns')
  Col9 = NewTag('Col', 'div', class_='nine columns')
  Col10 = NewTag('Col', 'div', class_='ten columns')
  Col11 = NewTag('Col', 'div', class_='eleven columns')
  
subject: Add milligram css