text: from django import forms
  from django.forms import fields, widgets
  
  from order.models import CheckoutBilling
  
  class CheckoutBillingForm(forms.ModelForm):
      class Meta:
          model = CheckoutBilling
          fields = ['first_name', 'last_name', 'company', 'email', 'address', 'country','telephone', 'fax',]
          widgets = {
              'first_name': widgets.TextInput(attrs={'class': 'input-text'}),
              'last_name': widgets.TextInput(attrs={'class': 'input-text'}),
              'company': widgets.TextInput(attrs={'class': 'input-text'}),
              'email': widgets.TextInput(attrs={'class': 'input-text'}),
              'address': widgets.TextInput(attrs={'class': 'input-text'}),
              'telephone': widgets.TextInput(attrs={'class': 'input-text'}),
              'fax': widgets.TextInput(attrs={'class': 'input-text'}),
          }