Weather Website - Using Pug.js

index.pug

doctype html
html
  head
    meta(charset='utf-8')
    title Test
    link(rel='stylesheet', type='text/css', href='/css/style.css')
    link(href='https://fonts.googleapis.com/css?family=Open+Sans:300', rel='stylesheet', type='text/css')
  body
    .container
      fieldset
        form(action='/', method='post')
          input.ghost-input(name='city', type='text', placeholder='Enter a City', required='')
          input.ghost-button(type='submit', value='Get Weather')
        if weather
          p= weather
        if error
          p= error