Pug exporting string of HTML

.container.pt-5.pb-5
  .card.mx-auto(style='max-width: 23rem;')
    .card-header.text-white.bg-primary Login
    .card-body
      | #{message}
      form(action="/admin/index.php?" + query, method="post")
        .form-group
          label(for='email') Email
          input#email.form-control(type='text', placeholder='Email', name='email')
        .form-group
          label(for='password') Password
          input#password.form-control(type='password', placeholder='Password', name='password')
        button.btn.btn-primary(type='submit') Submit