old_contents: """\
  Default Configuration
  
  Do NOT change the values here for risk of accidentally committing them.
  Override them using command-line arguments or with a local_config.py instead.
  """
  
  HOST = 'localhost'
  PORT = 5000
  DEBUG = True
  
  DEBUG_GRIP = False
  STYLE_URLS = []
  STYLE_URL_SOURCE = 'https://github.com/joeyespo/grip'
  STYLE_URL_RE = '<link.+href=[\'"]?([^\'" >]+)[\'"]?.+media=[\'"]?screen[\'"]?.+rel=[\'"]?stylesheet[\'"]?.+/>'
  
new_contents: """\
  Default Configuration
  
  Do NOT change the values here for risk of accidentally committing them.
  Override them using command-line arguments or with a local_config.py instead.
  """
  
  HOST = 'localhost'
  PORT = 5000
  DEBUG = True
  
  DEBUG_GRIP = False
  STYLE_URLS = []
  STYLE_URL_SOURCE = 'https://github.com/joeyespo/grip'
  STYLE_URL_RE = '<link.+href=[\'"]?([^\'" >]+)[\'"]?.+media=[\'"]?(?:screen|all)[\'"]?.+rel=[\'"]?stylesheet[\'"]?.+/>'
  
subject: Update GitHub CSS file regex.