Владимир

class VacForm(forms.ModelForm):
    vac_name=forms.CharField(widget=forms.TextInput(attrs={'class':'supername'}))
    class Meta:
        model = Vacancies
        fields = ('vac_name', 'vac_req','vac_obz', 'vac_usl','vac_salary', 'vac_comp','vac_zan', 'vac_locat', 'vac_exp','vac_cat', )

class VacForm(forms.ModelForm):
        vac_name.widget = forms.TextInput(attrs={'size': 10, 'title': 'Search', 'class':'supername''})
.....

mentionship = Mention.objects.filter(mentionn_id = step_id).order_by('-date_update')[:3]